Megaman 4 Cheats (GameBoy)

Collect the letters B, E, A, and T.

Intentionally lose all lives three times on the same level. Dr. Light will appear and
boost the Mega Buster.

Enter the following password, where r = Rush, b = Beat, and f = Fliptop. 

  EREEE |b|
  BRE BE|f|
  EER R |B|
  BRBEB | |

Enter the following password, where r = Rush, b = Beat, and f = Fliptop. 

   RREBB|r
   RR BR|f
  EBBREE|B
  RE R B|

Collect the letters W, I, L, and Y.

Enter the following password, where r = Rush, b = Beat, and f = Fliptop. 

    EBEE|r
  BRRR E|E
  EB E  |b
   EBERB|

Enter the following password, where r = Rush, b = Beat, and f = Fliptop. 

  BBEBR |R|
  R   RE|f| 
  BEB EB|b|
   BBBBR| |