The flexible game engine
Cooperative multiplayer graphical RPG and adventure game
RPG Maker 2000/2003 and EasyRPG games interpreter
Samples that demonstrate how to build graphics intensive applications
The source code to VVVVVV
Action RPG that's easy to mod
A game framework written with osu! in mind.
A dead simple 2D game library for Go
2D game development library for Ruby and C++
Naev is a 2d action/rpg space game, action, rpg and simulation
Cross-platform, open source, and super fast MUD client with scripting
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
Automate your apps, games, and Android emulators
GemRB is a portable open-source implementation of the Infinity Engine
Game engine to build text adventures.
A standalone UQM mod made to enhance gameplay and visuals
A cross-platform port of Hexen II game.
Final Fantasy VIII Save Editor
Ze Text Adventure game Builder : Create as you play !
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
Cerberus Content Management System
Updated emulator of Forgotten Realms: Unlimited Adventures