Build your game with Summer Engine.
Our AI game engine, built on Godot. Create real 2D and 3D games through conversation, then publish them on Summer.

What you can do in Summer Engine
Make 2D and 3D games
Describe what you want and build it with the AI in the engine, with models, sound, music, dialogue, and video made in Summer Studio.
Use our AI, or yours
Chat with the AI inside Summer Engine, or connect Claude Code, Codex, or Cursor over MCP and keep the agent you already use.
Add multiplayer
Hook up networking with the engine’s multiplayer tools and skills, and ship a game people play together.
Publish on Summer Games
Put your game in front of players on Summer, with a game page, releases, and in-game items sold for Sparks.
Built on Godot
Write in GDScript, C#, or C++. Summer Engine stays compatible with Godot.
Export desktop builds
Export for Mac and Windows today. Mobile needs each platform’s own toolchain, and browser play is a research preview.
From your idea to players on Summer
Build it in Summer Engine
Download the engine, start a project, and build with the AI or your own agent.
Export a build
Export a build for the devices you want your players on.
Publish on Summer
Create your game page in Creator, upload the build, and release it when it’s ready. How publishing works
Start building.
Summer Engine is one way to make a game for Summer. Games from any engine are welcome.