It's a puzzle. It's strategy. It's addictive. It's ZACK!!
ZACK! is a simple but captivating game.
Place colored squares in the grid without getting stuck. The color of the stone being placed must match the color of the left, top, right and bottom neighbours. Gray stones are jokers that can be placed in any free slot. If you fill a complete row or column it is removed from the grid.
Available for Mac Os X und Windows.
Check out the free trial