LGSL (Live Game for PHP 5.4-8+: online status for various gameservers
Arianne is an engine to develop multiplayer online games like Stendhal
A 2D multiplayer space shooter game
A space shooter game. Run either race or mission, defeat evil enemies.
tour based strategic game
The world is no longer the same
Free and open source Avatar Webgame made by Vietnam
JavaScript framework to build game engines, games, emulators and apps
Web-based Cloud Gaming service for Retro Game
The first-ever RPG for WordPress
simple web browser based game
A fun realistic multiplayer free-and-open-source first-person-shooter!
Portable game engine with main focus on point-and-click adventures
oGame-like browser space realtime strategy game based on xNova
Text Browser-Based MMO is a project with with forum integration.
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
online 4X browser game engine
Cosmos Tycoon is a open source transport simulation browser game.
Massive Multiplayer Online Wargame Leveraging the Internet