Type "R U CALLING MY PINT A POFF!" (has also been given as "R U CALLING ME A PINT A POOF?") on title screen and press 'Return'. You should be able to kill every opponent by pressing the 'Delete' key.

• "LEVEL ONE PLEASE" to start on level one.
• "LEVEL TWO PLEASE" to start on level two.
• "LEVEL THREE PLEASE" to start on level three.
• "LEVEL FOUR PLEASE" to start on level four.
• "THE LAST LEVEL PLEASE" drops you on the last level.
• "GIVE ME LOADS OF TIME PLEASE" gives you additional time!
• "GIVE ME MORE HEALTH PLEASE" give you lots of energy!
• "I DO NOT WANT TO DIE PLEASE" gives you invincibility!

Play the two player game and get both players killed until you have one credit left and the "CONTINUE" message is displayed on both sides of the screen. Press both fire buttons simultaneously and you will get infinite lives.

To avoid fighting the first black muscle-man, make sure to kill all of the bad guys up to the girl. When you kill her, take the whip, go up the ladder and keep walking. When he breaks out of the wall he should disappear.