Alternatives to Jazz² Resurrection

Real-time strategy game engine for Westwood games

Frontend for emulators, game engines and media players (OpenGL graphics API)

Playstation 2 Emulator

Open-source engine for Heroes of Might & Magic III

2D and 3D game engine

Voxel game-creation platform

Frontend for emulators, game engines and media players (Metal graphics API)

Client for Old School RuneScape

Build engine port backed by GZDoom tech

Open-source continuation of Bungie's Marathon 2 game engine

Kart racing game

Open-source, cross-platform game engine designed to be used by everyone