Koozac is an action puzzle game. It was nominated at the 2006 International Mobile Gaming Awards.

Koozac combines the basic principles of two super famous casual games, Sudoku and Tetris. The concept of the game is simple: position the falling blocks on top of each other to complete the number shown at the bottom left of the game window (in other words, if you need to complete a 7, stack a #3 block with a #4 block – for example - and that’s it!). If you succeed to complete a number, the corresponding blocks will disappear. 25 blocks on the board end the game.

If Koozac is really well done, it is also very difficult to master, due to the increasing speed of the falling blocks and the stack of three or four (five?) blocks required to complete later levels.

Overall, Koozac is another interesting Tetris variation, perfect if you want to burn a few neurones during a five minute break!