Weapons appear in their dedicated row, and each of them has a different effect on the enemy:
The shotgun destroys all creatures in the same column and deals 2 damage points.
The sniper strikes all creatures in the same column, but with 5 points of damage.
The crossbow affects its respective reel, as well as adjacent reels on both sides, while causing 5 damage points to each position.
The rocket launcher will attack a random 3x3 area, causing 20 damage points per position.
The chainsaw will attack all demons in a random row while causing 10 damage points.
The plasma gun attacks all positions and causes 15 damage points.
The MFG will attack all positions, with 40 damage points per position.