Tell ChatGPT, Claude, or Gemini what game you want. Get a real playable executable in under 60 seconds. Zero coding. 2,718 API functions. On-device AI. 5 granted patents.
Windows, macOS, Linux • 19 MB • No account required • All platforms →
Three steps. No account. No install wizard. Just download, paste, play.
Paste it into ChatGPT, Claude, or Gemini. Save the output as my-game.raku
Open the .raku file with the runtime. Your game starts in under 1 second.
Want more control? Use the LLM Guide for advanced prompts and the runtime format reference for full engine access.
Tell any AI assistant what game you want. "A space shooter with adaptive difficulty and voice commands."
The AI generates a complete game definition in JSON format. All game logic, AI systems, and personalization settings included.
Double-click the .raku file. The free runtime loads your game in under 1 second. No Unity, no Unreal, no build step.
Dynamic difficulty, player profiling, adaptive audio, and NPC personality are built into the engine core. Not a plugin. Always on.
.raku files are JSON declarations, not executables. The runtime interprets them in real-time. Edit the JSON, refresh the game. No compile.
Small Language Models run locally (RakuSLM). No cloud calls. Privacy-first. Works offline. Personalization happens instantly.
OpenXR 1.1, hand/eye tracking, spatial anchors, and passthrough. Every game is XR-capable by default. Toggle with one flag.
Positional audio with head-related transfer functions. Adaptive music system responds to gameplay intensity. Voice assistant integration.
.raku file format is documented. Parse it, mod it, generate it from any tool. Runtime is free. No license fees. No royalties.
A complete spatial engine with XR input, physics, particles, animation, spatial audio, and AI — all built in.
26-joint hand tracking, eye tracking with foveated rendering, adaptive haptics, mixed reality passthrough, and persistent spatial anchors. OpenXR 1.1 across every major headset.
GPU particle system (1M particles), rigid body physics with joints and raycasting, animation blend trees with FABRIK and TwoBoneIK, and HRTF spatial audio with ambisonics.
NavMesh pathfinding with crowd simulation, visual behavior trees, voice commands with speech recognition, and NPC intelligence with dynamic dialogue and quest generation.
Ship real games with multiplayer, cloud saves, achievements, and standalone export. Everything you need to go from prototype to product.
WebRTC peer-to-peer networking with lobby system, matchmaking, and voice chat. Up to 16 players with automatic NAT traversal.
Cross-device save sync, global leaderboards, and achievement tracking. Integrates with Steam and platform-native systems on export.
Package your game as a standalone .exe with custom icons and code signing. Distribute on Steam, itch.io, or any storefront.
Push updates to players automatically. Get detailed crash reports with stack traces and system diagnostics in your developer dashboard.
Publish and monetize your games on the RakuAI Marketplace. Set pricing, manage reviews, and track sales analytics.
Real-time performance profiling overlay. Load your own SLM models for custom NPC dialogue, dynamic content, and genre-specific AI.
Free. No account. No license fees. No royalties.
Found a bug? Have a suggestion? We want to hear from you. Your feedback directly shapes the engine.
Building with the SDK? Developer Discussions →