Summer Engine

summerengine.com ↗

The AI game engine. Build real 2D and 3D games with Claude Code, Codex, Cursor or Summer Agent, publish on Summer Games or Steam, and earn.

Products

StudioScenes, code, art and sound, in a real engine you can open, edit and ship. Make the assets in Summer Studio.
MCPSummer is the game engine built for AI. Connect the agent you already use, free.
Summer APISummer is the game engine built for AI. The Summer API gives your code and your agents 3D models, images, video, voice, sound and music with one sign-in.
Summer EngineTrack everything in your game. Any agent can read your game ' s analytics through the MCP, so you learn from players and make the game better.

Customer feedback

Marketing & Ads

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New pages

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v0.1.1 — Dashboard & Changelog Fixes ↗

Brand colors & fonts

Observed website styles · partial · Nov 11, 2026

Geist

heading · observed usage · 700

Fallback: system-ui, sans-serif

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Geist

body · observed usage · 400

Fallback: system-ui, sans-serif

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Geist Mono

ui · observed usage · 400

Fallback: system-ui, sans-serif

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Disclaimer: These samples are not verified official brand guidelines or a complete palette. Previews use system fonts; font licensing, reuse and redistribution rights are unverified. Font URLs are evidence only. Actual rendering and loaded fonts may differ; displayed font names may be simplified.

Collection details

Rendered desktop homepage sample only; other pages, themes and states may differ. Font families are computed CSS stacks; actual per-glyph font loading and reuse rights are unverified. Semantic roles describe sampled elements, not an official brand guide. Palette includes opaque RGB styles only; gradients, images and other color spaces are not sampled.

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