Hatris is basically Tetris with hats, and the reason why this is allowed is because the designer of Hatris is the same guy who made Tetris! Voila: no copyright issues with this clone. Ha, ha.
Category Archives: Bullet-Proof Software
Tetris, Game Boy
It would be remiss of me to celebrate the Nintendo Game Boy and not mention Tetris.
Tetris was the ‘pack-in’ game with the original black and white Game Boy, and probably helped sell a few million units in itself.
The King of Grabs 