OPEN-SOURCE AI GAME DEVELOPMENT
Build, debug, and ship games from VS Code.
BIGGI is an AI coding agent built for game development. It can edit code, run tools, inspect game state, verify changes, and coordinate parallel work without leaving your editor.
ONE PRODUCT
A VS Code extension with its runtime included.
The extension starts and manages a local, workspace-aware agent runtime. You do not install a separate BIGGI CLI, desktop app, or plugin for another IDE.
- Chat-driven code changes with reviewable diffs
- Gameplay, game architecture, technical art, and performance agents
- Game Loop tools for Unity, Godot, and browser games
- Parallel sessions in isolated git worktrees
- Direct model-provider connections and local-model support
- Autocomplete, snapshots, memory, indexing, MCP, and browser automation
CHOOSE A WORKFLOW
Start with the job you need to do.
Start a coding task
Connect your own model provider, choose an agent, and make a reviewable change from the VS Code sidebar.
Read guide →Build and test a game
Use engine-aware agents and Game Loop tools with Unity, Godot, or a browser game.
Read guide →Run work in parallel
Give each agent an isolated git worktree, terminal, session, and live diff in Agent Manager.
Read guide →Shape how BIGGI works
Add project instructions, custom agents, skills, workflows, MCP servers, memory, and permissions.
Read guide →CURRENT AVAILABILITY
Local-first and bring-your-own-provider.
BIGGI currently runs in VS Code and connects directly to model providers you configure. Managed BIGGI credits, team administration, enterprise controls, BiggiClaw, and the cloud marketplace are not part of the current release.
Read the availability guide →