Power Punch 2 Final battle: Enter HDKFGTFLGFTKCD as a password. Fighter skip: Hold A + B + Select and press Start when the picture of the next fighter appears. Hint: Skinny neck in training: In training mode, try punching as fast as you can. If done correctly the man's neck will turn skinny and it looks as if it falls off. Note: You have to hit the bags and cannot miss.