A game framework written with osu! in mind.
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Go bindings for raylib, a simple and easy-to-use library
A modern, cross-platform Quake game engine based on FitzQuake.
GemRB is a portable open-source implementation of the Infinity Engine
Ze Text Adventure game Builder : Create as you play !
RTSish Game Engine
Game/Scene Development System
Game engine supporting many 3D/2D formats and graphic effects
An isometric arcade-style game of skill, puzzles and exploration
ZDoom 2.8.1 fork focusing on modernisation, performance and stability
Play Fighting Fantasy fan stories on this simple engine
The world is no longer the same
Amateur 3D Game Engine
Orx: Portable Game Engine
A free 3D game engine to create games and realtimes scenes for Windows
C++ lightweight cross-platform game engine
Vivid3D is an open-source 3D engine with powerful 2D UI.
A simple tool to allow Chessmaster 10/11 bot customizations
A fork of Chocolate Doom with small Quality of Life enhancements
A fork of dhewm3 with an emphasis on modernisation and vanilla Doom 3