When you combine power-ups, it creates a bigger explosion and helps you clear more tiles.
Propeller + Propeller creates three Propellers that clear three random game elements. When taking off, Propellers also clear neighboring tiles.
Propeller + Rocket makes the Propeller carry the Rocket to a random tile. When taking off, the Propeller combination also clears neighboring tiles.
Rocket + Rocket clears the row and the column of that tile.
Propeller + Bomb makes the Propeller carry the Bomb to a random tile. When taking off, the Propeller combination also clears neighboring tiles.
Rocket + Bomb clears three rows and three columns of that tile.
Bomb + Bomb clears the items within a five-tile radius.
Color Ball + Propeller or Rocket or Bomb: Combining a Color Ball with a Bomb, a Rocket or a Propeller will create a great special move. All tiles with the same color as the Color Ball will be transformed into Bombs or Rockets or Propellers.
Color Ball + Color Ball clears all the items on the board and also clears one layer from any obstacle.