QTrex is a puzzle based on the popular Tetris video game. However, instead of a well-shaped playing field the user has a circular one. The game is controlled via standard buttons.
Up Arrow - rotation of a shape
Down Arrow - speed up a shape fall
Left Arrow - move a shape clockwise
Right Arrow - move a shape anti-clockwise
Space - drop a shape
Key A - rotate the playing field clockwise
Key D - rotate the playing field anti-clockwise