Homebrew development library for Nintendo 3DS/Horizon OS user mode
dhewm 3 main repository
C# application with primary purpose of farming Steam cards
An Open Source DOS emulator to run old DOS games
3D Engine c++
INSTEAD - Simple Text Adventure Interpreter.
JavaScript framework to build game engines, games, emulators and apps
A MUD client for Android, iOS, Linux, Mac OS X and Windows
GemRB is a portable open-source implementation of the Infinity Engine
Cross-platform dice roller for multiple RPG systems.
Sokoban with many families of puzzles provided.
Game engine supporting many 3D/2D formats and graphic effects
General Purpose Engine for Graphic Adventures.
3D OpenGL dungeon game using Ada: a tribute to Narbacular Drop
Cross-platform real-time strategy game (3D)
Go 3D Game Engine
ZED OS the clone of Windows XP
A cross platform Lua based game engine
Free MMORPG
The event based Real-Time Operating System (RTOS) for Arduino
A suite of tools for any RPG system
Frontend for arcade and console emulators like mame and nestopia.
RPG character generator for RPG d20 systems.
A cross-platform interpreter for many point-and-click adventure games