# OpenAI developer showcase

> Projects, demos, games, visual experiences, and applications built with OpenAI APIs and Codex.

Use project names, descriptions, products, and technologies to find a relevant implementation example.

## Showcase projects
- [Abyssal](https://developers.openai.com/showcase/abyssal-bioluminescent-ecosystem): A procedural underwater scene with bioluminescent fish, jellyfish, coral, and hydrothermal vents. Orbit the habitat, scatter nearby fish, and adjust the current, bioluminescence, and ambient depth. Built with: Codex + GPT-6 Astra. Models: gpt-6. Products: Codex. Technologies: HTML, CSS, JavaScript, WebGL. Use cases: interactive-experiences.
- [Arcade Bar Landing Page](https://developers.openai.com/showcase/arcade-landing-page): This landing page was generated with Codex + GPT-5.5, using GPT Image 2 for visual assets. It introduces Tilt Signal as a neon arcade and pinball bar with event, food, drink, and game sections. Built with: Codex + GPT-5.5 + GPT Image 2. Models: gpt-5.5, gpt-image-2. Use cases: landing-pages.
- [Architecture Studio](https://developers.openai.com/showcase/architecture-studio): Arrange original furniture on a dimensioned 2D floor plan, then explore the same room in 3D. Adjust room dimensions and finishes, export a plan or room image, and save projects on your device or to your ChatGPT account. Furniture placement happens in the 2D view. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, Three.js, Cloudflare D1. Use cases: creative-tools, interactive-experiences.
- [Asterism](https://developers.openai.com/showcase/asterism): Asterism is a single-player constellation-building card game created by OpenAI with Codex and GPT-5.6. Players choose a Luminary, place named star cards into constellation diagrams, and satisfy line rules and pattern objectives without exhausting the finite deck across a three-Night run. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: Next.js, React, PixiJS, GSAP. Use cases: interactive-experiences.
- [Backroom Center: Corrupted](https://developers.openai.com/showcase/backroom-center-corrupted): Backroom Center: Corrupted is an atmospheric first-person exploration game built by Thomas Ricouard with Codex and GPT-5.6. A deterministic, continuously streamed maze of server rooms, dark corridors, abandoned offices, spatial machinery sounds, and analog-video artifacts creates an unsettling sense of being lost in an endless data center. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: Three.js. Use cases: interactive-experiences.
- [Below the Surface](https://developers.openai.com/showcase/below-the-surface): Descend through five ocean zones, inspect illustrated animals, compare their sizes, and reveal the trench with a movable light. The exhibition pairs its visual journey with source-linked scientific context. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, SVG, Canvas 2D. Use cases: landing-pages, education, interactive-experiences.
- [Biome Lab](https://developers.openai.com/showcase/biome-lab): Biome Lab is a deterministic ecosystem sandbox built with Codex and GPT-5.6. Users tune climate, terrain, water, and species balance, then watch a stylized 3D terrarium and compact trend charts respond. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: React, TypeScript, Three.js, React Three Fiber. Use cases: data-visualization, interactive-experiences, creative-tools.
- [Brick Platformer](https://developers.openai.com/showcase/brick-platformer): This platformer game was generated with Codex + GPT-5.5, using GPT Image 1.5 for visual assets. It places the player in a side-scrolling brick city scene with jump timing, platforms, and arcade movement. Built with: Codex + GPT-5.5 + GPT Image 1.5. Models: gpt-5.5, gpt-image-1.5. Technologies: React, TypeScript. Use cases: interactive-experiences.
- [Build an AI teammate for Slack](https://developers.openai.com/showcase/agents-api-slack-bot): A Slack teammate that searches connected workplace tools, investigates requests, and remembers each conversation. Models: gpt-6-astra. Products: Agents API. Technologies: Python, Slack, Docker. Use cases: productivity, agents.
- [Bulk invoice and contract review](https://developers.openai.com/showcase/agents-api-document-review): A document reviewer that applies reusable policy skills, delegates work to specialists, and prepares approval-ready reports. Models: gpt-5.6-luna. Products: Agents API. Technologies: Python, Docker. Use cases: productivity, agents.
- [Chatkit.world](https://developers.openai.com/showcase/chatkit-world): This map-based chat was built with the Agents SDK for the back-end and ChatKit for the UI. It lets you explore the world through conversation, and collect badges when you visit new places. Models: gpt-5.1. Products: Agents SDK, ChatKit. Technologies: Next.js, TypeScript, Python. Use cases: agents.
- [Clockwork Observatory](https://developers.openai.com/showcase/impossible-kinetic-architecture): An interactive observatory of stone staircases, brass gears, bridges, and astronomical instruments. Orbit the architecture, follow apertures, and control the speed and progress of its mechanical transformations. Built with: Codex + GPT-6 Astra. Models: gpt-6. Products: Codex. Technologies: HTML, CSS, JavaScript, WebGL. Use cases: interactive-experiences.
- [Codex 101](https://developers.openai.com/showcase/codex-101): Codex 101 began in February 2026 as a fact-based Korean developer resource and grew into a bilingual Korean and English tutorial site for developers who want a practical introduction to Codex. It brings setup, authentication, approval modes, slash commands, AGENTS.md, config, MCP, automation patterns, and workflow guidance into one structured guide. Built with: Codex + GPT-5.3-Codex + OpenAI Docs MCP + Computer Use. Models: gpt-5.3-codex. Products: Codex. Technologies: HTML, CSS, JavaScript. Use cases: education.
- [Codex Modeling Studio](https://developers.openai.com/showcase/codex-modeling-studio): Build and refine 3D scenes alongside Codex. Watch changes as they happen, steer the work, and inspect the scene independently. Built with: Codex and Sites. Technologies: WebAssembly, WebGPU. Use cases: creative-tools, webmcp.
- [Codex Pet Arena](https://developers.openai.com/showcase/codex-pet-arena): Codex Pet Arena is a single-player browser game built by Gabriel Chua with Codex, ImageGen, and the hatch-pet skill. Players choose an animated pet, race CPU rivals for glowing Codex tokens across a wide side-scrolling arena, grow as their score rises, and battle through rotating city maps with moving platforms, hazards, power-ups, and a low-gravity Moon. Built with: Codex + ImageGen + hatch-pet. Products: Codex. Technologies: React. Use cases: interactive-experiences.
- [Cold Brew House Landing Page](https://developers.openai.com/showcase/coffee-house-landing-page): This landing page was generated with Codex + GPT-5.5, using GPT Image 2 for visual assets. It presents a cold brew house with a quiet editorial layout, product callouts, and lifestyle imagery. Built with: Codex + GPT-5.5 + GPT Image 2. Models: gpt-5.5, gpt-image-2. Use cases: landing-pages.
- [Courtyard House](https://developers.openai.com/showcase/courtyard-house): Explore a compact courtyard home through a single 3D model: lift the roof, cut a section, change the light, and step inside each room. Material studies and a downloadable project sheet use the same geometry. The sunlight study is illustrative. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, Three.js, jsPDF. Use cases: landing-pages, interactive-experiences.
- [Crossword Desk](https://developers.openai.com/showcase/crossword-desk): Build crosswords from a themed word pool, edit their clues, and solve published puzzles in the browser. Built with: Codex and Sites. Use cases: interactive-experiences, creative-tools, webmcp.
- [Cubecade](https://developers.openai.com/showcase/cubecade-rubiks): Rotate a 3D puzzle cube by hand or ask ChatGPT to solve it. Watch queued moves animate on the same cube. Built with: Codex and Sites. Use cases: webmcp.
- [Data agent](https://developers.openai.com/showcase/agents-api-data-analyst): A data agent that finds relevant warehouse tables, verifies answers with read-only SQL, and remembers analyst feedback. Models: gpt-5.6-luna. Products: Agents API. Technologies: Python, FastAPI, PostgreSQL. Use cases: internal-tools, agents.
- [E-commerce website](https://developers.openai.com/showcase/e-commerce-website): This storefront was generated with Codex, using `gpt-image-1.5` to generate the visual assets. Try navigating through the different pages and examining product details. The model was only given a style direction for the collection, but came up with all the items and visual design itself. Built with: Codex + gpt-5.4. Technologies: Next.js, TypeScript. Use cases: storefronts.
- [Enablement Hub](https://developers.openai.com/showcase/enablement-hub): An internal learning hub with featured training, announcements, and a resource grid filtered by role, team, product area, level, format, and freshness. Built with: Sites in Codex. Models: gpt-5.5. Technologies: Vinext. Use cases: internal-tools.
- [Event Planning Hub](https://developers.openai.com/showcase/event-planning-hub): An event planning dashboard with active request triage, event templates, recent playbacks, an upcoming calendar, event health metrics, and policy readiness. Built with: Sites in Codex. Models: gpt-5.5. Technologies: Vinext. Use cases: internal-tools.
- [Field Day](https://developers.openai.com/showcase/field-day): Field Day is an editorial commerce experience built with Codex and GPT-5.6. It pairs a bright product catalog with a tactile picnic-basket builder, gift-set review, and persistent local cart. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: React, TypeScript. Use cases: storefronts.
- [Fieldwork // 12](https://developers.openai.com/showcase/ko-field-beat-machine): A browser beat machine with 12 voices, a 16-step velocity sequencer, nine groove presets, keyboard and touch pads, sound editing, project save and load, and stereo WAV export. Built with: Codex and Sites. Use cases: creative-tools, webmcp.
- [Forged in Silence](https://developers.openai.com/showcase/forged-in-silence): Forged in Silence is a premium ecommerce storefront built with Codex from a researched Vite, React, and React Three Fiber plan. The home page is a scroll-driven 3D experience where a procedurally generated katana, built without Blender or an external 3D model, animates through cinematic sections before continuing into product pages, cart behavior, checkout, custom commission requests, and contact flows. Built with: Codex + GPT-5.4. Models: gpt-5.4. Products: Codex. Technologies: React, Three.js, Vite, GSAP, Lenis. Use cases: storefronts, interactive-experiences.
- [Frame Studio](https://developers.openai.com/showcase/frame-studio): A fictional motion studio with three original procedural films. Scrub the showreel, compare storyboard and final frames, switch between portrait and widescreen compositions, and save a contact sheet of selected frames. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, Three.js, Canvas 2D. Use cases: landing-pages, creative-tools.
- [GitHub issue investigation agent](https://developers.openai.com/showcase/agents-api-github-issues): An issue investigator that checks out the repository, reproduces reported bugs, and posts evidence-backed findings to GitHub. Models: gpt-6-astra. Products: Agents API. Technologies: Python, FastAPI, Docker. Use cases: productivity, agents.
- [Glass Towers](https://developers.openai.com/showcase/glass-towers): Glass Towers is a physics-based browser game built with Codex and GPT-5.6. Players drop varied glass pieces onto a pedestal, balancing shape, mass, and momentum to create the tallest stable sculpture. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: React, TypeScript, Three.js, React Three Fiber, Rapier. Use cases: interactive-experiences.
- [Golden Gate Experience](https://developers.openai.com/showcase/golden-gate-flight-experience): This experience was generated with Codex + GPT-5.5. It lets you fly around the Golden Gate Bridge, switch camera views, and tune the scene while exploring the bay. Built with: Codex + GPT-5.5. Models: gpt-5.5. Technologies: React, TypeScript. Use cases: interactive-experiences.
- [Hollowflux](https://developers.openai.com/showcase/hollowflux): A procedural dungeon crawler built with Codex. Movement, combat, loot, and atmosphere share a reactive fluid system. Explore how the Tideglass concept grew into a playable descent with equipment, bosses, and distinct weapons. Built with: GPT-6 Astra + Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, WebGL 2, Canvas 2D, GLSL, Vite, Web Audio API. Use cases: interactive-experiences.
- [Kiln](https://developers.openai.com/showcase/kiln): Kiln is a tactile ceramics storefront built with Codex and GPT-5.6. It combines an eight-piece catalog and local cart with a draggable 3D cup whose glaze updates instantly. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: React, Three.js, React Three Fiber. Use cases: storefronts, interactive-experiences.
- [Launch Cal](https://developers.openai.com/showcase/launch-cal): A monthly product and feature calendar with team, status, surface, risk, and freshness filters plus launch details for checklists, source links, dependencies, go-to-market notes, and blockers. Built with: Sites in Codex. Models: gpt-5.5. Technologies: Vinext. Use cases: internal-tools.
- [Little Ritual](https://developers.openai.com/showcase/little-ritual): A single-player 3D browser game about delivering coffee and exploring a small spherical world. Carry four coffees from the café, find neighbors around the town, and follow stairs, bridges, and quiet paths to playful encounters. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, Three.js, Vite, Blender, Web Audio API. Use cases: interactive-experiences.
- [Living Cell](https://developers.openai.com/showcase/living-cell-cross-section): An interactive 3D cell cross-section with a phospholipid membrane, moving molecular cargo, a cutaway mitochondrion, and eight inspectable structures. Orbit the scene and adjust the membrane cutaway and transport speed. Built with: Codex + GPT-6 Astra. Models: gpt-6. Products: Codex. Technologies: HTML, CSS, JavaScript, WebGL. Use cases: interactive-experiences.
- [London Dream Railway](https://developers.openai.com/showcase/london-train): London Dream Railway is an interactive 3D scene with miniature trains, recognizable London landmarks, moving boats, seasonal modes, an auto tour, train follow mode, and an interactive driver cab. Peter started with an initial Codex generation without skills, then used Computer Use repeatedly to walk through the app, test each area, identify issues, and guide further improvements. Built with: Codex + GPT-5.4 + Computer Use validation. Models: gpt-5.4. Products: Codex, Computer Use. Technologies: Three.js, HTML, CSS, JavaScript. Use cases: interactive-experiences.
- [Margin Editor](https://developers.openai.com/showcase/margin-editor): Create notes and discuss changes with Codex in the same document. The agent can leave its own comments without impersonating you. Built with: Codex and Sites. Use cases: productivity, webmcp.
- [Material Lab](https://developers.openai.com/showcase/material-lab): Material Lab is an interactive 3D design tool built with Codex and GPT-5.6. It lets users test materials, tune surface and lighting properties, compare sculptural forms, and save reusable presets locally. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: React, TypeScript, Three.js, React Three Fiber. Use cases: interactive-experiences, creative-tools.
- [MiniTown](https://developers.openai.com/showcase/minitown): MiniTown is a cozy city simulation built by Thomas Ricouard with Codex and GPT-5.6. Players place residential, shop, and workspace zones, then watch roads form, buildings grow, residents follow daily routines, vehicles move through town, and the lighting shifts from day to night. Built with: Codex + GPT-5.6 + ImageGen + Sites. Models: gpt-5.6. Products: Codex. Use cases: interactive-experiences.
- [Neon FPS](https://developers.openai.com/showcase/rift-vox): This browser FPS game was generated with Codex + GPT-5.5, with GPT Image 2 used for visual assets. It drops players into a neon arena with locked-down megablock atmosphere, weapon pickups, and fast first-person combat. Built with: Codex + GPT-5.5 + GPT Image 2. Models: gpt-5.5, gpt-image-2. Technologies: React, TypeScript. Use cases: interactive-experiences.
- [Nightjar Listening Room](https://developers.openai.com/showcase/nightjar-listening-room): A fictional listening room with three original procedural audio samples, a synchronized turntable, room views, and a programme shortlist. Playback starts only when requested; no microphone or ticket booking is involved. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, Three.js, Web Audio API. Use cases: landing-pages, interactive-experiences.
- [Onboarding Hub](https://developers.openai.com/showcase/onboarding-hub): A personalized new-hire dashboard with current progress, suggested meetings, a first-week checklist, and a browsable resource library. Built with: Sites in Codex. Models: gpt-5.5. Technologies: Vinext. Use cases: internal-tools.
- [OpenAI.fm](https://developers.openai.com/showcase/openai-fm): This demo lets you try out the OpenAI text-to-speech voices by selecting a voice and generating the desired text. You can also share presets, and download the generated audio. It uses the `gpt-4o-mini-tts` model to generate the speech. Models: gpt-4o-mini-tts. Products: Speech API. Technologies: Next.js, TypeScript. Use cases: voice.
- [Paper Glider](https://developers.openai.com/showcase/paper-glider): Paper Glider is a 3D flying game built with Codex and GPT-5.6. Players steer a paper airplane through a continuous sequence of warm interiors, collecting rings while avoiding furniture and walls. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: JavaScript, WebGL. Use cases: interactive-experiences.
- [Paperie](https://developers.openai.com/showcase/paperie): A greeting-card canvas where an agent supplies personalized words and artwork while you edit and preview the same design. Choose a template or start from a blank card, then adjust its format, messages, and envelope. Built with: Codex and Sites. Use cases: creative-tools, webmcp.
- [Pattern Studio](https://developers.openai.com/showcase/pattern-studio): Arrange and recolor original vector motifs, draw your own shapes, and preview straight, half-drop, or mirrored repeats. See the pattern on a cushion or wrapping paper, export PNG or SVG files, and save projects on your device or to your ChatGPT account. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, SVG, Cloudflare D1. Use cases: creative-tools, interactive-experiences.
- [Phantasy Codex Adventure](https://developers.openai.com/showcase/phantasy-codex-adventure): Phantasy Codex Adventure is a top-down action RPG built by Thomas Ricouard with Codex and GPT-5.6. It combines procedural exploration, responsive real-time combat, three playable classes, eight biomes, bosses, an endless Survival mode, persistent progress, and a shared leaderboard. Built with: Codex + GPT-5.6 + ImageGen. Models: gpt-5.6. Products: Codex. Technologies: React, TypeScript. Use cases: interactive-experiences.
- [Photobooth Demo](https://developers.openai.com/showcase/openai-imagegen-demo): This photobooth demo lets you capture or upload a portrait, choose style presets, and generate multiple edited images with the OpenAI Image API and `gpt-image-2`. It supports streaming partial image generations so users can watch outputs arrive as they render. Models: gpt-image-2. Products: Image API. Technologies: Next.js, TypeScript, Tailwind CSS, shadcn/ui. Use cases: image-generation.
- [Physics museum](https://developers.openai.com/showcase/physics-museum): A 3D science museum with five interactive installations: glass and pearls, a pendulum sculpture, cloth, a wave basin, and three orbiting bodies. Walk around the room, inspect an exhibit, and set it in motion. The simulations are bounded demonstrations, not engineering tools. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, Three.js, Rapier, Blender. Use cases: education, interactive-experiences.
- [Procedural City Generator](https://developers.openai.com/showcase/procedural-city-generator): This 3D procedural city generator was generated with Codex + GPT-5.5. It lets you adjust layout, density, skyline, and visual parameters to see the city update in real time. Built with: Codex + GPT-5.5. Models: gpt-5.5. Technologies: React, TypeScript. Use cases: creative-tools, interactive-experiences, data-visualization.
- [Pulse Dashboard](https://developers.openai.com/showcase/pulse-dashboard): An executive dashboard with KPI cards, momentum trends, revenue targets, a metric health table, and an operator-ready lineage drawer. Built with: Sites in Codex. Models: gpt-5.5. Technologies: Vinext. Use cases: data-visualization, internal-tools.
- [Real estate data viz](https://developers.openai.com/showcase/real-estate-data-viz): This app was generated with Codex + GPT-5.4 over multiple turns. It lets you explore real estate data fetched from the French Government MCP server through interactive maps and visualizations. You can filter by different parameters and see average or median market prices for real estate, as well as get past sales in the area and trends. Built with: Codex + gpt-5.4. Technologies: Next.js, TypeScript. Use cases: data-visualization.
- [Realtime Solar System](https://developers.openai.com/showcase/solar-system-demo): This demo lets you talk to a 3D solar system with Realtime speech-to-speech and trigger animations with tool calling. Try asking about different planets, ask questions and see animations get triggered. For example, ask how much land there is on Earth versus water, which volcanoes are the highest on Mars, or what are Jupiter's moons. Models: gpt-realtime. Products: Realtime API. Technologies: Next.js, TypeScript, WebRTC, Spline. Use cases: education, interactive-experiences.
- [Ridge Pack](https://developers.openai.com/showcase/ridge-pack): Rotate a 3D day pack, open its compartments, and try a packing guide with defined item dimensions. Change sizes or finishes and download the selected packing list. The fit model uses simplified geometry and is not a real-world fit guarantee. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, Three.js. Use cases: landing-pages, interactive-experiences.
- [Scent Cartography](https://developers.openai.com/showcase/scent-cartography): Scent Cartography is a floral fragrance experience built with Codex and GPT-5.6. It combines six fictional perfumes with a botanical configurator that maps top, heart, and base notes into a custom scent. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: React, TypeScript. Use cases: storefronts, interactive-experiences.
- [Sparkboard](https://developers.openai.com/showcase/idea-intake): A collaborative idea intake dashboard with a trending feature, board-status navigation, search and filters, upvote-driven idea cards, and top contributor rankings. Built with: Sites in Codex. Models: gpt-5.5. Technologies: Vinext. Use cases: internal-tools.
- [SRE agent for incident response](https://developers.openai.com/showcase/agents-api-sev-bot): An SRE agent that investigates production alerts using GitHub, AWS, and incident history before requesting approval for recovery. Models: gpt-6-astra. Products: Agents API. Technologies: Python, FastAPI, Slack, GitHub, AWS. Use cases: internal-tools, agents.
- [Stop-Motion Desk](https://developers.openai.com/showcase/stop-motion-desk): Arrange original 3D characters and props, adjust their poses, and capture frames on a stop-motion timeline. Preview the animation, export a GIF, and save projects on your device or to your ChatGPT account. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, Three.js, Cloudflare D1. Use cases: creative-tools, interactive-experiences.
- [Sunday Table](https://developers.openai.com/showcase/sunday-table): Keep meal plans, recipes, groceries, and preferences in sync while preserving the changes you make yourself. Built with: Codex and Sites. Use cases: productivity, webmcp.
- [Sunwake](https://developers.openai.com/showcase/sunwake): A sailing game built with Codex. Follow the visual references through waves, buoyancy, wakes, changing weather, two water treatments, and the detailed Blender boat created for the voyage. Built with: GPT-6 Astra + Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, Three.js, WebGL 2, Vite, Blender, Web Audio API. Use cases: interactive-experiences.
- [Swifty Dungeon](https://developers.openai.com/showcase/swifty-dungeon): Swifty Dungeon is a playable native macOS dungeon crawler created end-to-end in Codex with GPT-5.5. It combines a raycast-style first-person viewport, procedural labyrinth floors, turn-based movement and combat, equipment, inventory, item pickups, potions, leveling, animated enemy sprites, sidebars, minimap, HUD controls, and unified logging telemetry. Built with: Codex + GPT-5.5 + ImageGen. Models: gpt-5.5, gpt-image-2. Products: Codex. Technologies: Swift, SwiftUI, SwiftPM, macOS. Use cases: interactive-experiences.
- [Swifty Roguelike](https://developers.openai.com/showcase/swifty-roguelike): Swifty Roguelike is a playable native macOS prototype created with Codex and GPT-5.5. It wraps a classic ASCII roguelike board in a SwiftUI Liquid Glass interface, with procedural rooms, corridors, doors, stairs, water, foliage, turn-based movement, bump-to-attack combat, loot, inventory, leveling, and descendable dungeon floors. Built with: Codex + GPT-5.5 + ImageGen. Models: gpt-5.5, gpt-image-2. Products: Codex. Technologies: Swift, SwiftUI, SwiftPM, macOS. Use cases: interactive-experiences.
- [Terrain Mixer](https://developers.openai.com/showcase/terrain-mixer): Terrain Mixer is a browser-based landscape tool built with Codex and GPT-5.6. A seed and six controls shape an animated 3D terrain, contour map, and movable cross-section in real time. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: React, TypeScript, Three.js, React Three Fiber. Use cases: data-visualization, interactive-experiences, creative-tools.
- [The TypewriterWeb Demonstration from 1999](https://developers.openai.com/showcase/typewriterweb): TypewriterWeb shows Codex restoring an early web demo by retrieving archived assets, removing injected archive content, serving the project locally, fixing broken JavaScript and CSS behavior, and polishing the final static experience. The original prompt history could not be recovered from VS Code Codex, so the build notes are reconstructed from process videos in the repository. Built with: Codex + GPT-5.4. Models: gpt-5.4. Products: Codex. Technologies: HTML, JavaScript, Express. Use cases: interactive-experiences.
- [Theme Park Builder](https://developers.openai.com/showcase/theme-park-builder): This mini-game was generated with Codex + GPT-5.5, using GPT Image 1.5 for visual assets. You can add rides, paths, shops, and scenery to build out a theme park scene. Built with: Codex + GPT-5.5 + GPT Image 1.5. Models: gpt-5.5, gpt-image-1.5. Technologies: React, TypeScript. Use cases: interactive-experiences.
- [Tidal House](https://developers.openai.com/showcase/tidal-house): Explore three imagined cabins around a sheltered inlet. Compare their views, switch between morning and evening or low and high tide, and download a stay plan. Saving a plan does not make a reservation. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, Three.js. Use cases: landing-pages, interactive-experiences.
- [Tidegarden](https://developers.openai.com/showcase/tidegarden): A realtime 3D tropical island with a windblown palm, lush grass, a living reef, and waves that wash onto the shore. Built by Eric Provencher with Codex. Open Tidegarden in Google Chrome on a desktop or laptop. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: Blender, WebGPU. Use cases: interactive-experiences.
- [Time to Fly](https://developers.openai.com/showcase/time-to-fly): Time to Fly is a cosmic logic puzzle built in Codex with GPT-5.5 and GPT Image 2. Players position planets along fixed orbits and set a rocket's launch angle, then use every planet's gravity to bend the rocket toward a distant galaxy across five increasingly difficult levels. Built with: Codex + GPT-5.5 + GPT Image 2. Models: gpt-5.5, gpt-image-2. Products: Codex. Use cases: interactive-experiences.
- [Tiny Rails Rollercoaster](https://developers.openai.com/showcase/tiny-rails-rollercoaster): Tiny Rails Rollercoaster is a playful 3D coaster simulator built by VB with Codex and GPT-5.6. Players drive a tiny train through a detailed storybook landscape, choosing between assisted, coached, limit-pushing, and Unhinged modes across eight route combinations. Built with: Codex + GPT-5.6 + ImageGen. Models: gpt-5.6. Products: Codex. Technologies: Three.js. Use cases: interactive-experiences.
- [Turn-based RPG](https://developers.openai.com/showcase/turn-based-rpg): Play a turn-based RPG where GPT-5.4 drives encounters, combat flow, and story events. Built with: Codex + gpt-5.4. Technologies: Next.js, TypeScript. Use cases: interactive-experiences.
- [Type Field](https://developers.openai.com/showcase/type-field): An interactive typography exhibition using the licensed Roboto Flex variable font. Edit a specimen, adjust real font axes, compose a poster in three layouts, and download it as SVG. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, React, Vinext, Roboto Flex, fontkit, SVG. Use cases: landing-pages, creative-tools.
- [Velocity Loop](https://developers.openai.com/showcase/velocity-loop): A 3D toy-car time-trial game set in miniature workshops. Choose from four cars, race five stunt tracks with loops, jumps and nitro, chase your personal-best ghost, and compete on a replay-verified leaderboard. Built through repeated research, asset creation, implementation and browser playtesting in Codex. Built with: Codex. Models: gpt-6. Products: Codex. Technologies: React, TypeScript, Three.js. Use cases: interactive-experiences.
- [Verdant Market](https://developers.openai.com/showcase/verdant-market): A grocery-shopping demo with a searchable catalog of 110 products, product pages, a shared cart, and a checkout preview. Built with: Codex and Sites. Use cases: storefronts, webmcp.
- [Void Explorer](https://developers.openai.com/showcase/void-explorer): A procedural space-exploration game built with Codex, from orbital flight and planetary descent to landing and walking. Follow the visual references, rendering work, and Blender spacecraft that shaped the game. Built with: GPT-6 Astra + Codex. Models: gpt-6. Products: Codex. Technologies: TypeScript, Three.js, WebGPU, WebGL 2, Rapier, Vite, Blender, Web Audio API. Use cases: interactive-experiences.
- [WanderNote](https://developers.openai.com/showcase/wandernote): Plan an hourly itinerary and map with an agent, using a sample Notion itinerary as context. Edit or dismiss suggestions, leave comments, and export your trip as a PDF. Built with: Codex and Sites. Use cases: productivity, webmcp.
- [Watchmaker Landing Page](https://developers.openai.com/showcase/watchmaker-landing-page): This landing page was generated with Codex + GPT-5.5, using GPT Image 2 for visual assets. It presents a luxury watchmaker through a cinematic hero, product storytelling, and premium editorial sections. Built with: Codex + GPT-5.5 + GPT Image 2. Models: gpt-5.5, gpt-image-2. Use cases: storefronts.
- [Waveform Studio](https://developers.openai.com/showcase/waveform-studio): Waveform Studio is an audio-visual design app built with Codex and GPT-5.6. It combines bundled or locally imported audio with configurable linear and radial waveforms, reusable presets, and React component export. Built with: Codex + GPT-5.6. Models: gpt-5.6. Products: Codex. Technologies: React, JavaScript, Canvas, Web Audio API. Use cases: interactive-experiences, creative-tools.
- [Webroom](https://developers.openai.com/showcase/webroom): A browser-based photo editor where people and agents collaborate on the same image using WebMCP. Built with: Codex and Sites. Use cases: creative-tools, webmcp.