Drag square numbered-tiles over round numbered-tiles, to subtract their values to zero. Balance out each level to progress. Play Sum tracks online at Shtoss.com! Sum tracks is a very quality and popular flash game. Thousands players has played Sum tracks and love it, hope you will enjoy it too. Shtoss.com hosts more best online games and all free for you, if you like to play funny and cool games like Sum tracks, Shtoss.com is your best choice!

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