GemRB is a portable open-source implementation of the Infinity Engine
Royal Entertainment Graphics eXecution (REX)
Vivid3D is a C++ IDE/3D engine, with python scripting.
API (C#) for simulating certain aspects of a ZX spectrum for porting.
Amateur 3D Game Engine
A cell-based puzzle game featuring classic and completely new puzzles
Here we're trying to create the easiest open-source game engine.
Orx: Portable Game Engine
Game engine supporting many 3D/2D formats and graphic effects
Tools and Z80 engine for creating adventure games. (RUST)
Multi Theft Auto is a game engine
Vivid3D is an open-source 3D engine with powerful 2D UI.
A game engine for console based text games
Urho3D Game engine
A cross-platform, open-source, pure C game engine for mobile game
Entitas is a super fast Entity Component System (ECS) Framework
Engo is an open-source 2D game engine written in Go
Retro game engine for creating games like it's 1997
A fork of dhewm3 with an emphasis on modernisation and vanilla Doom 3
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Go 3D Game Engine
Python ctypes module for the Irrlicht Engine SDK
DOOM / Heretic / Hexen source port with enhanced graphics and UI
QQ Group:538722494,KSFramework = KEngine + SLua(or xLua)