Simple and addictive puzzle game There are only 4 rules of Dexev: You can move blocks to the left or right, as long as there's space. A block on top of blank space will fall into it. A block touching another block of the same type will vanish. A level is finished when all the blocks have been vanished. More than 1000 levels available in full-version, from easy for childs to impossible for Einstein. nice graphics, easy rules, playing with fingers, scrollpad or arrows. Unlimited undo, best scores per level.