Collapse! and RemovEm, who hasn’t played either games? The AppStore is crowded with these types of games and though this isn’t necessarily the best, it’s FREE for download for a limited time. Check out Mental Blocks:

“The object of MENTAL BLOCKS is simple; score as many points as you can by clearing all of the colored blocks from the playing grid. In order to remove a block, a matching block of the same color must be along side it.”

Download yourself a free copy of the game today!