Passcodes
Below you'll find passcodes that you'll normally gain after defeating a stage boss. Each one has a description of what bosses have been defeated and how many items Mega Man will have.
| 8 | 7 | 7 | 5 | Bosses defeated: None |
| 2 | 5 | 8 | 7 | Powerup Items: None |
| 4 | 4 | 1 | 6 | Rush Items: Rush Coil |
| 8 | 3 | 6 | 2 |
| 8 | 7 | 7 | 5 | Bosses defeated: Freeze Man |
| 2 | 5 | 4 | 7 | Powerup Items: Exit Device |
| 7 | 4 | 5 | 7 | Rush Items: Rush Coil, Rush Search |
| 8 | 2 | 6 | 8 |
| 8 | 7 | 7 | 5 | Bosses defeated: Freeze Man, Burst Man |
| 2 | 7 | 4 | 6 | Powerup Items: Exit Device |
| 4 | 5 | 5 | 7 | Rush Items: Rush Coil, Rush Search |
| 8 | 3 | 7 | 8 |
| 8 | 3 | 7 | 5 | Bosses defeated: Freeze Man, Burst Man, Cloud Man |
| 2 | 5 | 4 | 6 | Powerup Items: Exit Device |
| 6 | 1 | 5 | 3 | Rush Items: Rush Coil, Rush Search |
| 2 | 3 | 7 | 8 |
| 4 | 3 | 3 | 5 | Bosses defeated: Freeze Man, Burst Man, Cloud Man, Junk Man |
| 2 | 5 | 5 | 6 | Powerup Items: Exit Device |
| 1 | 1 | 5 | 3 | Rush Items: Rush Coil, Rush Search, Super Adapt |
| 8 | 3 | 1 | 8 |
| 4 | 3 | 3 | 5 | Bosses defeated: Freeze Man, Burst Man, Cloud Man, Junk Man, Clown Robot |
| 2 | 5 | 4 | 6 | Powerup Items: Exit Device |
| 1 | 1 | 4 | 3 | Rush Items: Rush Coil, Rush Search, Super Adapt |
| 8 | 3 | 1 | 8 |
| 7 | 2 | 3 | 5 | Bosses defeated: Freeze Man, Burst Man, Cloud Man, Junk Man, Clown Robot, Slash Man |
| 2 | 5 | 5 | 6 | Powerup Items: Exit Device |
| 2 | 1 | 4 | 7 | Rush Items: Rush Coil, Rush Search, Super Adapt, Rush Jet |
| 2 | 8 | 5 | 8 |
| 7 | 2 | 3 | 5 | Bosses defeated: Freeze Man, Burst Man, Cloud Man, Junk Man, Clown Robot, Slash Man, Spring Man |
| 3 | 5 | 5 | 6 | Powerup Items: Exit Device |
| 2 | 8 | 4 | 7 | Rush Items: Rush Coil, Rush Search, Super Adapt, Rush Jet |
| 8 | 1 | 1 | 4 |
| 7 | 8 | 7 | 5 | Bosses defeated: Freeze Man, Burst Man, Cloud Man, Junk Man, Clown Robot, Slash Man, Spring Man, Shade Man |
| 3 | 6 | 5 | 6 | Powerup Items: Exit Device, Energy Equalizer |
| 8 | 8 | 4 | 3 | Rush Items: Rush Coil, Rush Search, Super Adapt, Rush Jet |
| 8 | 1 | 1 | 4 |
| 7 | 8 | 7 | 5 | Bosses defeated: Freeze Man, Burst Man, Cloud Man, Junk Man, Clown Robot, Slash Man, Spring Man, Shade Man, Turbo Man |
| 7 | 6 | 4 | 6 | Powerup Items: Exit Device, Energy Equalizer, Hyper Rocket Buster |
| 1 | 8 | 4 | 3 | Rush Items: Rush Coil, Rush Search, Super Adapt, Rush Jet |
| 1 | 1 | 1 | 5 |
| 7 | 8 | 7 | 7 | Bosses defeated: Freeze Man, Burst Man, Cloud Man, Junk Man, Clown Robot, Slash Man, Spring Man, Shade Man, Turbo Man |
| 7 | 4 | 4 | 2 | Powerup Items: Exit Device, Energy Equalizer, Hyper Rocket Buster, Beat |
| 8 | 2 | 4 | 7 | Rush Items: Rush Coil, Rush Search, Super Adapt, Rush Jet |
| 3 | 1 | 1 | 5 |
| 6 | 8 | 5 | 3 | Dr Wily's Fortress Level 2 |
| 7 | 4 | 5 | 2 | Powerup Items: Exit Device, Energy Equalizer, Hyper Rocket Buster, Beat |
| 2 | 2 | 4 | 3 | Rush Items: Rush Coil, Rush Search, Super Adapt, Rush Jet |
| 7 | 1 | 5 | 5 |
| 6 | 8 | 1 | 3 | Dr Wily's Fortress Level 3 |
| 7 | 4 | 5 | 2 | Powerup Items: Exit Device, Energy Equalizer, Hyper Rocket Buster, Beat |
| 1 | 2 | 4 | 3 | Rush Items: Rush Coil, Rush Search, Super Adapt, Rush Jet |
| 5 | 1 | 1 | 5 |
| 6 | 8 | 5 | 3 | Dr Wily's Fortress Level 4 |
| 7 | 6 | 5 | 2 | Powerup Items: Exit Device, Energy Equalizer, Hyper Rocket Buster, Beat |
| 8 | 2 | 4 | 3 | Rush Items: Rush Coil, Rush Search, Super Adapt, Rush Jet |
| 5 | 1 | 1 | 5 |
| 7 | 8 | 1 | 3 | Dr Wily's Fortress Level 5 |
| 7 | 6 | 4 | 2 | Powerup Items: Exit Device, Energy Equalizer, Hyper Rocket Buster, Beat |
| 8 | 2 | 4 | 5 | Rush Items: Rush Coil, Rush Search, Super Adapt, Rush Jet |
| 7 | 5 | 5 | 5 |