OpenAI showcase - Tiny Rails Rollercoaster

For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.

OpenAI Developers

Velocity Loop

Velocity Loop

A 3D toy-car time-trial game set in miniature workshops.

Abyssal

Abyssal

A procedural underwater scene with bioluminescent marine life.

Clockwork Observatory

Clockwork Observatory

An interactive 3D scene of a transforming mechanical observatory.

Living Cell

Living Cell

An interactive 3D cell cross-section with inspectable structures.

Hollowflux

Hollowflux

A procedural dungeon crawler with combat shaped by reactive water.

Little Ritual

Little Ritual

A 3D coffee-delivery game on a small spherical world.

Physics museum

Physics museum

A 3D science museum with five interactive exhibits.

Sunwake

Sunwake

A sailing game about crossing wild seas and reaching lighthouses.

Void Explorer

Void Explorer

A procedural space exploration game with planets to land on.

Tidegarden

Tidegarden

A 3D tropical island with a living reef and rolling waves.

Asterism

Asterism

Build constellations from a finite deck of named stars and illuminate the...

Codex Pet Arena

Codex Pet Arena

A fast, colorful platform arena where animated pets collect tokens, grow...

MiniTown

MiniTown

A tiny living town where zones grow, residents commute, and warm lights...

Backroom Center: Corrupted

Backroom Center: Corrupted

An infinite data-center labyrinth seen through a deteriorating VHS camcorder.

Phantasy Codex Adventure

Phantasy Codex Adventure

A persistent retro action RPG with procedural worlds, classes, bosses, and...

Tiny Rails Rollercoaster

Tiny Rails Rollercoaster

A nostalgic miniature coaster with eight routes and hands-on driving modes.

Glass Towers

Glass Towers

A minimalist 3D balancing game built from translucent forms.

Paper Glider

Paper Glider

An arcade glider through sunlit, procedurally generated rooms.

Time to Fly

Time to Fly

Cosmic logic puzzle game about orbital rotation.

Swifty Roguelike

Swifty Roguelike

A native macOS ASCII roguelike built with SwiftUI Canvas and a modern...

Swifty Dungeon

Swifty Dungeon

A native SwiftUI first-person dungeon crawler with generated textures...

Brick Platformer

Brick Platformer

Browser platformer game with brick rooftops and side-scrolling action.

Turn-based RPG

Turn-based RPG

A browser demo that turns GPT-5.4 into a turn-based role-playing game with...

Neon FPS

Neon FPS

Neon first-person shooter game with arcade-style combat.

Theme Park Builder

Theme Park Builder

Mini-game where you can build your own theme park.