A retro game engine for Python
CTFs as you need them
The Pokémon API
TimeBoxing FX: Your productivity at your fingertips 🚀
Gideros Release version
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Robocode is a programming tank game for Java
Europa Universalis 4 save game editor
Never get AFK kicked from Roblox again!
Domination is a game that is a bit like the board game Risk
Arianne is an engine to develop multiplayer online games like Stendhal
Mech Station Beta - Tower Defense like Game
VR Adrix Java Works - Paged Lists - Action-Entity Model ...
GPS track editor for editing tracks and planning (multiple) day tours
Java RTS framework
World Class Leader Board Editor.
Tool for chess teachers to create PDF files with chess diagrams in it
Classic Mahjongg Solitaire with a few handy features to fun gameplay
A free and open source sudoku game for addicts to newbies