What are Lightening Boosters?
Lightening Boosters remove a single tile from the board
What are Whirlwind Boosters?
Whirlwind Boosters swap any two tiles on the board
What are Starfall Boosters?
Starfall Boosters spread the color from one tile to its neighbors
What are River Boosters?
River Boosters can be dragged to remove any five connected tiles
What are Hint Boosters?
A Hint awards one correct letter during solve