Pokémon Save File Editor
Open game and rendering engine packed into a JavaScript framework
3D and 2D game engine written in Rust
The Ren'Py Visual Novel Engine
The source code to VVVVVV
Ct.js is a desktop game engine that makes learning programming fun
Open-source Android/Desktop remake of Civ V
Cross-platform, open source, and super fast MUD client with scripting
Final Fantasy VIII Save Editor
Java application for creating Morphing videos
Games for tomorrow's programmers
An OpenGL RTS game engine written in C
The flexible game engine
Edit BZFlag world maps with 3D preview
This is a Units Editor for Empire At War which will make things easy.
In this 2D plateformer, you may have to save our friends & Candy.
Europa Universalis 4 save game editor
Enhanced Zork port for Android Systems
Chess Database and PGN viewer
GPS track editor for editing tracks and planning (multiple) day tours
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
PyCAPGE - Python Classic Adventure Point and Click Game Engine
An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).
LDraw™ editor for LEGO® style digital building instructions.
Xylvan, the angelic messenger must save the 3800's World.