s&box is a modern game engine, built on Valve's Source 2
Open source cross-platform multi-purpose game toolkit
Cross-platform 2D game engine focused on ultimate productivity
One framework for creating powerful cross-platform games
Simple Beat Saber Mod Installer
Stride (formerly Xenko), a free and open-source cross-platform C# game
3D Engine c++
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Svelto ECS C# Entity Component System
Play Fighting Fantasy fan stories on this simple engine
3D puzzle game based on Kula World and Cubosphere
Counter-Strike 2 companion that automates in-game tasks
A space shooter game. Run either race or mission, defeat evil enemies.
A catalog of free games relative to the Qore World universe.
Modding CLI tool kit for Amnesia: The Dark Descent
Tools and Z80 engine for creating adventure games. (RUST)
DARKLINGS is an accessible F2P 2D fighting game with periodic updates
Molecular viewer and prototyping framework
Murder is a pixel art ECS game engine
Vivid3D is an open-source 3D engine with powerful 2D UI.
An ASI plugin for Grand Theft Auto V
Entitas is a super fast Entity Component System (ECS) Framework
A Tile-based Game Engine written in C# mimicing retro consoles.