Godot is a powerful cross-platform game engine
Open source voxel game engine with support for survival and crafting
Xash3D FWGS engine
The game engine for everyone
Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Voxel game-creation platform with easy modding and game creation
Multi-platform 2D and 3D game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
New Godot bindings for Swift
A dead simple 2D game engine for Go
The ioquake3 community effort to continue supporting/developing id's
Open source library for creative expression on the web, desktop, etc.
Cross-platform game engine in Rust
Real Time Strategy game engine supporting early Westwood classics
dhewm 3 main repository
Stride (formerly Xenko), a free and open-source cross-platform C# game
GemRB is a portable open-source implementation of the Infinity Engine
Orx: Data-Driven Game Engine
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Motor de juegos de aventura programable
Ze Text Adventure game Builder : Create as you play !
Tools and Z80 engine for creating adventure games. (RUST)