MEGA MAN 2

Baby bird stars:
To change the stars which are shown with the boss at the beginning
of each round into little baby birds, press both the A and B 
buttons while holding the control pad in the direction of the boss.

Level codes:
 Airman     - A1, B5, C3, C4, C5, E1, E2, E3, E4.
 Bubbleman  - A1, B2, B5, C3, C4, E1, E2, E3, E4.
 Quickman   - A1, B2, B5, C3, C4, E2, E3, E4, E5.
 Heatman    - A1, B2, C3, C4, D3, E2, E3, E4, E5.
 Woodman    - A1, B2, C4, D1, D3, E2, E3, E4, E5.
 Metalman   - A2, B1, B3, C1, C4, C5, E3, E4, E5.
 Flashman   - A1, B2, B4, C1, D1, D3, E2, E3, E5.
 Clashman   - A1, B2, B4, C1, D1, D3, E2, E3, E5.
 Dr Willy   - A1, B2, B4, C1, C5, D1, E3, E5.

No guardians:
 To play the game without having to take on the end
 of level guardians, enter the following codes:
 Airman  - A1, C145, D135, E13
 Woodman - A1, C34, D235, E12

Weapon Code:
 Enter the following codes for weapon selection:
 Flash guns     - 1C
 No Crash       - 2E
 Bubble guns    - 1D
 No metal guns  - 1E
 Heat guns      - 2B
 No air guns    - 2D
 Wood shield    - 3D
 No boomerang   - 4C
 Air guns       - 3E
 No bubble guns - 3C
 Boomerang      - 4B
 No wood        - 5B
 Metal gun      - 5E
 No heat guns   - 5D
 Crash          - 5C
 No flash guns  - 4E

Password:
 To get to Dr. Willy , enter the following code:
 A1, B2, B4, C1, C5, D1, D3, E3, E5.