The fastest AI powered Aimbot
A Nintendo 3DS Emulator
GZDoom is a feature centric port for all Doom engine games
An efficient graphical Minecraft seed finder and map viewer
Source code repository of the FreeOrion project
Complete Open Source and Modular solution for MMO
A free/open source client and automation tool for Ragnarok Online
Powerful, mature open-source cross-platform game engine for Python
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
FlightGear Flight Simulator: free open-source multiplatform flight sim
Descent 3 by Outrage Entertainment
Command and Conquer: Red Alert original source code
A 2D scrolling platform shooter, inspired by Duke Nukem 1
Open source FPS/RTS Game
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
Battle alone or in teams with ships from Star Wars against others.
Cross-platform port of Arx Fatalis, a first-person role-playing game
Graphical hook for a D3D9-D3D12, OpenGL and Vulkan based games
A cross-platform 2D game engine
It is a Brick breaking game with lots of cool features.