Phaser

Verdict: Popular open-source HTML5 framework for 2D browser games in JavaScript/TypeScript. Phaser.io now also offers a credit-based AI agent that builds a game from a one-line description, plus a Phaser Game Agent MCP server for Claude Code, Cursor and other coding agents.

Free (MIT open-source framework); the AI game agent runs on paid credits · Official site: https://phaser.io · source checked 2026-10-22 (HTTP 403)

GitHub repo · ★ 40.5k stars (as of 2026-10-22) · More open-source AI

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