Heavy Barrel – Game Genie Codes
The following are known Game Genie Codes for Heavy Barrel on Nintendo Entertainment System (NES).
Autofire for Player 1
Autofire for Player 2
Hand weapons last 4X longer
Only 1 hand weapon
Infinite hand weapons on pick-up for Player 1 & 2
Infinite hand weapons and firearms on pick-up for Player 1 & 2
Enemies will not fire handguns
Invisibility & Invincibility
Do you know any additional codes for this game? Is there an error listed above? Let us know about it and we’ll update the list.