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Open Source Game Development Platforms using CSS

A curated collection of the best open source platforms providing backend services and infrastructure for game development. using CSS.

GDevelop

Create 2D and 3D games without coding, powered by AI assistance

  • Stars

    Stars growing over the last 30 days27,748

  • Last commit

    20 hours ago

  • License

    Unknown
Free, open-source game engine with visual event system, AI tutor, and one-click publishing to Steam, iOS, Android, and web platforms.

Open Source Alternative to:

Unreal Engine

s&box

Build and play games inside a game engine that runs live

  • Stars

    6,497

  • Last commit

    15 hours ago

  • License

    MIT
A game creation platform built on Valve's Source 2 engine, letting you build, share, and play games without leaving the environment.

Open Source Alternative to:

Unreal Engine
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