Mega Man 4
Gameboy Hints & Cheat Codes
Hints & Cheat Codes
To get a better buster (gun), go into any level, and keep getting killed until asked to continue. Then do continue and do that again. After about the fourth time, you will go to Dr. Light's lab and you'll get a better gun (it deactivates when you turn the gameboy off).
To skip the Dr Light sequence and get to the robot selection screen faster is to when you first start the game and you are in Dr Light's laboratory, When Dr Light starts talking, reset the game by hitting Select, Start, A, and B simultaneously. When you are back at the Title screen. select Start game and hit start. You should now be at the Robot Selection screen.
This password gives you all weapons, B-E-A-T, W-I-L-Y, 4 Energy Tanks, 4 Weapon Tanks, a Super Tank, an Energy Balancer, and 999 P-Chips. It's hard to lose with this arsenal!