Freshmeat page: http://freshmeat.net/projects/quadra/
Quadra is an addictive puzzle game and competitive, action-packed multiplayer game all-in-one. It features incredibly smooth gameplay, recursive line clearing allowing blocks to combine in violent chain reactions, block shadow to help you drop blocks with precision 10 levels with colorful background images and matching sound effects, worldwide highscore table with recordings of your best performances, fully configurable multiplayer mode with team play, keep an eye on your opponents with the remote watch windows, chat window, powerful and flexible user interface TCP/IP support for Internet or LAN multiplayer games and more. It used to be proprietary software, but the company developing it went belly-up and released the software as open source.
This project has the following developers:
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!