Select bricks of the shown figure(like in T-game) shape to remove it from field. Clear bricks to open new level bricks. The only same level bricks could be destroyed at one time. Try to keep free space for new elements as long as possible.
Challenge other gamers in pursuit of highscore.
See also original Quadris game: https://slideme.org/application/quadris
And Pentas game: https://slideme.org/application/pentas