Bonuses are power-ups that can be added to the field when you start match-3 level. 

Tap bonuses in the pop-up that appears when you start level to choose ones you want to use. 

• Rocket adds a rocket to a random tile on the field. Vertical rocket clears one column.
• Pinwheel adds pinwheel to random tile on the field. Match it with a piece to destroy all pieces of the same type.
• Bomb adds a bomb to a random tile on the field.

Once level starts bonuses will be added to random tiles on the field. You can tap on them to activate or hit with power-ups.

There are several ways to get bonuses:

• You get bonuses as reward for completing chapters.
• You may get bonuses as reward for upgrading settlement.
• Receive chest that contains rewards including bonuses for completing levels.
• Bonuses can be purchased using crystals.