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Shameless plug! I created a mini game called Tetris++ where your ability to do math quickly gets tested: http://cutcss.com/tetris++/ http://cutcss.com/tetris++/

• atmosx 13y ago
  change the colors, black and blue look the same to me (using flux here, it's 23:09...)
  • ivanca 13y ago
    Thanks for the comment. At least someone played it.