Limited Early Access • Invite Only

The AI Game Engine

Making games should be as fun as playing them. Summer is the best way to make games with AI.

Build games faster

Intelligent, fast, and familiar, Summer Engine is the best way to develop games with AI.

Frontier Intelligence

Powered by a mix of purpose-built and frontier models, Summer Engine is smart and fast.

Frontier Intelligence

Feels Familiar

Import all your extensions, themes, and keybindings in one click.

Feels Familiar

Privacy Options

Enable Privacy mode to never have your code stored remotely without consent. SOC 2 coming soon.

Privacy Options

Ready to Build the Future?

Join thousands of developers already using Summer Engine to create incredible games.