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Cocos Engine

Open-source cross-platform 2D and 3D game engine

Game Engines & Frameworks ★ 9.9k stars Medium setup MIT

Cocos Engine is an open-source game engine for building 2D and 3D games that run on web, mobile, and desktop platforms. It powers a large number of published mobile and HTML5 games.

Official siteSource code

Key features

  • 2D and 3D game development
  • Web, mobile and desktop export
  • Visual editor support
  • Mature engine

Strengths

  • Released under the MIT license
  • Mature project with 9.9k GitHub stars
  • Written in C++
  • Lightweight — runs in 512 MB RAM

Is Cocos Engine secure?

No known vulnerabilities affect Cocos Engine's latest release (3.8.8). OSV.dev lists 1 past advisory for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2023-26493, published 2023-03-27 (1297 days ago)

Source: OSV.dev, checked 2026-10-14. How this is measured.

Cocos Engine replaces

Self-hosted Unity alternatives

Health badge

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SelfHostIndex: 89 · excellent

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