Open Source real-time strategy game engine for early Westwood games
Real Time Strategy game engine supporting early Westwood classics
Magic Another Game Engine
Multi Theft Auto is a game engine
Free, open source game engine online
A game of dungeon exploration, combat and magic
A downloadable game for Windows, macOS, and Linux
Tactical 2D shooter in fishy pixels style. Made with Rust-lang
Free and open source real-time strategy game
Cross-platform, open source, and super fast MUD client with scripting
Web application brings custom skins back in offline Minecraft servers
Domination is a game that is a bit like the board game Risk
LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
A strategy game with a high fantasy theme
A companion for your LOTRO activities
Odamex is a free, cross-platform, modern client-server Doom engine
Arianne is an engine to develop multiplayer online games like Stendhal
0 A.D. is a free, open-source, cross-platform real-time strategy game.
An open-source Phantasy Star Online server for *nix
The ultimate cataloguer
Free Texas Holdem Poker game using HTML5, CSS and JavaScript
Adds Discord Functionality to Lands.
Full featured MUD server with all the trimmings.