Here are some cheats and tips for the game Megaman 2.
Four energy tanks (no Bosses defeated):
Enter A2/4 B2/4 C1/2 D2/3 as a password.
Final level:
Enter A1/3/4 B3 C1/2/3 D1/3 as
a password.
Boss Weapon Password
Clash Man Gun A1 B3/4 C3 D1/2/3
Metal Man Clash A1/3 C3 D1/2/4
Wood Man Metal A1/3 B4 C3 D1/2/4
Air Man Wood A2/3 B1/4 C3 D1/2/4
Needle Man Air A2/3 B1/4 C2/3 D1/4
Magnet Man Needle A2/3 B1/4 C2 D1/4
Hard Man Magnet A2/3 B1/4 C1/2/3 D1
Top Man Hard A1/2/3 B4 C2/3/4 D1