Free, open source game engine online
A promising chess program
The best Blooket Multitool out there
A tool for creating voxels for the DelphiDoom Engine
A 2D game engine and level editor
MD2 (Quake2) Model Viewer
Doom, Heretic, Hexen & Strife Map Viewer
Duke Nukem 3D Map Viewer
Tomb Raider Level Viewer
Alpha One is based on Vallheru
Doom (Shareware) Installer for Windows x64 platforms.
Automatic text to command minecraft book generator: import text file.
XNA based game engine completely written in c#
A badminton tournament planner spreadsheet
Cross-platform port of Arx Fatalis, a first-person role-playing game
Python/Pygame Game-Building Framework
beatStation is an openFrameworks tapping recorder
Generates a menu in an AMXX plugin