Game Systems
GameRadar Channels
Game News
Get all the latest news, rumors, videos, event coverage, and opinions from our video game industry experts.
Flash Games
Take a break and choose from over 5,000 free, fun, and fanatically addictive flash games to play online.
Cheats & FAQs
We've got the largest collection of cheats, tips, hints, glitches, unlocks, FAQs, guides, and walk-throughs.
Web Directory
Browse and search through our hand-picked directory of thousands of video game websites.
GameRadar has 7 cheats, tips, hints, unlockables, and FAQs for MegaMan 4 for Game Boy.
Visit CheatCodes.com for more MegaMan 4 cheats, or to submit your own cheat codes, hints, unlockables, or FAQs for MegaMan 4 for Game Boy.
Get To The Final Boss (Dr. Wiley)
Enter the following password, where r = Rush, b = Beat, and f = Fliptop.
EREEE |b| BRE BE|f| EER R |B| BRBEB | |
Get To Almost The End
Enter the following password, where r = Rush, b = Beat, and f = Fliptop.
BBEBR |R| R RE|f| BEB EB|b| BBBBR| |
Get To After Dr. Wiley's Tank
Enter the following password, where r = Rush, b = Beat, and f = Fliptop.
RREBB|r RR BR|f EBBREE|B RE R B|
Four Weapons
Enter the following password, where r = Rush, b = Beat, and f = Fliptop.
EBEE|r BRRR E|E EB E |b EBERB|
Get Beat
Collect the letters B, E, A, and T.
Mega Buster Boost
Intentionally lose all lives three times on the
same level. Dr. Light will appear and boost the
Mega Buster.
Skip Opening Sequence
Press Start + Select + A + B when Dr. Light
begins to talk during the opening sequence to
return to the title screen. Then, press Start to
advance directly to the level selection screen.
