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Re:Show HN: Multiplayer Tetris built in 48hrs by skadamat on Sunday August 28, 2011 @10:22PM (#2935625)
Is this all built in Rails?
Re:Show HN: Multiplayer Tetris built in 48hrs by bgentry on Monday August 29, 2011 @12:02AM (#2935854)
looks like it's built in Node.js as part of the Node Knockout competition.