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🚧 Preview · IGP Developer Docs is still in early preview. The currently published APIs and package names may still change, so pin an exact version.

IGP Developer Docs

The official developer documentation entry point for IGP. Start by reviewing the SDK feature set, then open the Unity / GameMaker / Godot details that match your project.

Startup and connection

Confirm appId, desktop client connection, and room startup flow when needed before integrating SDK features.

Startup and connection →

Achievements

Unlock achievements and report achievement progress.

Achievements →

Multiplayer lobby

Understand the integration order for rooms, realtime messaging, state and RPC, and Mirror transport.

Multiplayer lobby →

Details overview

After confirming the target feature, open the installation, Quick Start, and debugging notes for your engine.

Engine details →

Unity

Primary delivery engine. It has the broadest feature coverage and is suitable for formal integration and full local testing.

Unity overview →

Godot

The Godot adapter is still in development and can be used to evaluate startup, rooms, messaging, and achievements.

Godot overview →

GameMaker

The first GameMaker release targets Windows 10 and later, with game authorization, real-name verification and anti-addiction, and achievements.

GameMaker overview →

Release Notes

Check current public downloads, versions, and checksums.

Release Notes →

Changelog

See the concrete changes in each version.

Changelog →

This site ships with llms.txt and llms-full.txt so tools like Cursor, Claude, and ChatGPT can read the full documentation set.