Stack! is a minimalist game where you have to stack tiles on top of each other and create a tower from the tiles as high as possible.
While the concept sounds simple, the game trims the size of the blocks when they are not perfectly stacked on top of each other. It can get a little nerve-racking when you have to stack the smallest sliver of a tile.
Available for Windows 10 Mobile, the free game turns out to be a fun time waster to have on your phone.