Welltris

Welltris is a single player arcade puzzle game. It received mostly positive reviews from players.

Welltris, which is the first Tetris sequel, is originally designed by Alexey Pajitnov (the creator of Tetris) with Andrei Sgenov. It has the same gameplay concept as Tetris; simply all the player has to do is to rotate and maneuver the falling pieces into a proper position in order to form complete layers in the rectangular playground. But Welltris changes this rectangular arena into a four si…