A dead simple 2D game library for Go
Game engine supporting many 3D/2D formats and graphic effects
90-ball bingo with sound
JavaScript framework to build game engines, games, emulators and apps
oGame-like browser space realtime strategy game based on xNova
Portable game engine with main focus on point-and-click adventures
Flash Quiz TV (A quiz game for all family)
Cosmos Tycoon is a open source transport simulation browser game.
HTLS is an Hattrick live match viewer, based on the old Livefox.
Online Freecell based on html5/canvas
3D urban environment renderer : browser-app ; as well as a GTA clone
JavaScript library to generate GW2 ToolTips based on official Wiki
ASCII based browser tower defense game
Use your smartphone as computer remote control with HTML5 browser.
Browser sudoku game
A puzzle game of rules acting upon rules. Create the desired pattern.
Star Trek Web browser game
Modular Gaming Open Source Persistent Browser Based Game Framework
a PHP based leaderboard software for Battlefield 3