UPDATE (May 22 2010): Fixed a few bugs, added background music during gameplay UPDATE (Mar 01 2009): Added mouse control on the main menu and a tiny "Press R to retry" reminder during play. Help Birdy skip through 20 stages as quickly as possible and perhaps you'll end up on the leaderboard. You clear a stage by skipping off of all the red platforms. Green platforms turn yellow when you leave them, and yellows ones turn red. Bombs appear on later levels, and you have to kick them off the course before the countdown reaches zero (or do you? ;) ).