There are six types of cannonballs that can be used as a weapon against enemies in Jacksmith. Each cannonball is unlocked in a different location, has a different function, and has a different recharge rate ranging from fastest to slowest in order of unlocking. To use a cannonball, the player must either click the cannonball using their mouse, or press the respective keyboard number (1-6) for the cannonball they wish to use.
Cannonball[]
The basic cannonball is unlocked in the Lowlands and is the first cannonball to be acquired in the game. This cannonball reduces the health of the enemies. It has the quickest recharge rate. Press 1 to use the cannonball.
Fire Bomb[]
The fire bomb is unlocked in Level 9 and is the second cannonball to be acquired in the game. This cannonball damages the enemy over time using fire. It has the second-quickest recharge rate. Press 2 to use the fire bomb.
Repair Bomb[]
The repair bomb is unlocked in Alpine Ridge and is the third cannonball to be acquired in the game. This cannonball partially increases the 
Durability of all active weapons, thus ensuring a longer life in battle. It has the third-quickest recharge rate. Press 3 to use the repair bomb.
Electric Bomb[]
The electric bomb is unlocked in Boneyard Dunes and is the fourth cannonball to be acquired in the game. This cannonball damages lightning-elemental enemies and reduces their attack power. It has the third-slowest recharge rate. Press 4 to use the electric bomb.
Booster Bomb[]
The booster bomb is unlocked in Evershade Forest and is the fifth cannonball to be acquired in the game. This cannonball temporarily boosts the 
Power of all active weapons. It has the second-slowest recharge rate. Press 5 to use the booster bomb.
Ice Bomb[]
The ice bomb is unlocked in Wormwood Hollow and is the sixth and final cannonball to be acquired in the game. This cannonball freezes and stuns the enemy. It has the slowest recharge rate. Press 6 to use the ice bomb.
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