SkinTris - Version 1.0 SinTris is a classical Tetris clone which features tons of options. The most impressive one is the Skins option which will allow anyone to change every graphic of the game, in a very easy way. This game features a challenging solo mode with ten difficulty levels: compete with your friends to stay at the top of the hall of fame ! And if you get bored, play with a friend in the Two-players mode.