All sides should collide with falling pieces, the bottom should collide with falling pieces.
Placed pieces should collide with falling pieces.
Falling pieces should not collide with falling pieces
(Ability to combine shapes when 2 players are playing)
All sides should collide with falling pieces, the bottom should collide with falling pieces. Placed pieces should collide with falling pieces. Falling pieces should not collide with falling pieces (Ability to combine shapes when 2 players are playing)