Here are all the guides, tips, and strategies to enjoy playing Mega Man 3 with cheats and unlockables.
Passwords
On the main menu, select the Password option. Codes consist of red dots and blue dots. Fill the red or blue dot in the corresponding letter and number box.
All Bosses Defeated
Cheat code:
Red – C5, Blue – A3, B5, D3, F4
Spark Man Defeated
Cheat code:
Red – C5, F4
Snake Man Defeated
Cheat code:
Red – C5, F6
Needle Man Defeated
Cheat code:
Red – C5, D3
Hard Man Defeated
Cheat code:
Red – C4, C5
Top Man Defeated
Cheat code:
Red – A3, C5
Gemini Man Defeated
Cheat code:
Red – B5, C5
Magnet Man Defeated
Cheat code:
Red – C5, F5
Shadow Man Defeated
Cheat code:
Red – C5, D6
1 Energy Tank
Cheat code:
Red – E6
2 Energy Tanks
Cheat code:
Red – E4
3 Energy Tanks
Cheat code:
Red – B4
4 Energy Tanks
Cheat code:
Red – A5
5 Energy Tanks
Cheat code:
Red – C1
6 Energy Tanks
Cheat code:
Red – D2
7 Energy Tanks
Cheat code:
Red – C3
8 Energy Tanks
Cheat code:
Red – F2
9 Energy Tanks
Cheat code:
Red – A6
Game Genie Codes
The game is fun by itself, but cheating makes it better. Always be sure to input codes using a Game Genie.
Note: before entering cheats, be aware that altering the game can cause random freezing and several other glitches.
Infinite Energy
Cheat code:
GXVAAASA
Infinite Lives
Cheat code:
AEEGXLPA
Longer Slides
Cheat code:
ASXSTLGP
Mega Man Jumps Higher
Cheat code:
YEUKOTGA
Mega Man Moves Faster
Cheat code:
NYKGXSGK
Mega Man Moves a Lot Faster
Cheat code:
ZAKGNIPA
Speedy Slides
Cheat code:
NNKIALEE
Start with 1 Life
Cheat code:
AENKKAZA
Start with 6 Lives
Cheat code:
IENKKAZA
Start with 9 Lives
Cheat code:
AENKKAZE
Start with 1 Life After Using a Continue
Cheat code:
PAOONPZA
Start with 6 Lives After Using a Continue
Cheat code:
IAOONPZA
Start with 9 Lives After Using a Continue
Cheat code:
AAOONPZE
Tips/Tricks
Boss Order/Weaknesses
Every time you defeat an enemy Robot Master (boss), you will gain their weapon. Below is the recommended order to defeat them in order to have the best advantage.
- Magnet Man – Use Mega Buster
- Hard Man – Use Magnet Missile
- Top Man – Use Hard Knuckle
- Shadow Man – Use Top Spin
- Spark Man – Use Shadow Blade
- Snake Man – Use Mega Buster
- Gemini Man – Use Search Snake
- Needle Man – Use Gemini Laser
To defeat the following reincarnated Robot Masters from Mega Man II, use the corresponding weapon for an easy win.
- Air Man – Spark Shock
- Bubble Man – Shadow Blade
- Crash Man – Hard Knuckle
- Flash Man – Needle Cannon
- Heat Man – Shadow Blade
- Metal Man – Magnet Missile
- Quick Man – Gemini Laser
- Wood Man – Needle Cannon
To defeat the following Dr. Wily-created robots found in his castle, use the corresponding weapons for an easy win.
- The Turtle Machine – Shadow Blade
- Rock Monster – Hard Knuckle
- Cloning Machine – Mega Buster
- Dr. Wily #1 – Spark Shock
- Dr. Wily #2 – Hard Knuckle
- Gamma – Shadow Blades & Top Spin
Mega Man 3 is a platform game developed by Capcom and initially released in 1990 for the NES/Famicom.