Square Enix has KooZac (iTunes Link) for the iPhone and iPod Touch in the iTunes App Store for FREE (regularly 99-cents) for a limited time.

The concept of KooZac is simple: position the falling blocks on top of each other to create the target numbers.

Play through 60 levels, destroying the silver puzzle blocks and clearing the board by completing the targets.

No level, no stage – compete against the world in Endless mode and use multi gems to rack up huge scores.

Take on your Facebook friends in the 60 seconds KooZac Blitz mode – compete for the top spot in weekly tournaments, use boosts the super charge your score.