Mega Man 2

Air Man Password
A2/3 B1/4 C3 D1/2/4
(Thanks to maverickeffect@hotmail.com)

Clash Man Password
A1 B3/4 C3 D1/2/3
(Thanks to maverickeffect@hotmail.com)

Energy Tanks
Enter A2/4 B2/4 C1/2 D2/3 to get four energy tanks and no Bosses defeated.
(Thanks to maverickeffect@hotmail.com)

Hard Man Password
A2/3 B1/4 C1/2/3 D1
(Thanks to maverickeffect@hotmail.com)

Magnet Man Password
A2/3 B1/4 C2 D1/4
(Thanks to maverickeffect@hotmail.com)

Metal Man Password
A1/3 C3 D1/2/4
(Thanks to maverickeffect@hotmail.com)

Needle Man Password
A2/3 B1/4 C2/3 D1/4
(Thanks to maverickeffect@hotmail.com)

Recommended Boss Order
Metal Man: use Megabuster.
Wood Man: use Metal Blades.
Air Man: use Megabuster.
Crash Man: use Airshooter Megabuster.
Hard Man: use Megabuster.
Top Man: use Hard hand.
Magnet Man: use Megabuster or Topspin.
Needle Man: use Megabuster.
Quintet: use Needlecannon.
Dr Wily (1st, 2nd and 3rd parts): use Megabuster.
Dr Wil (4th part): use Rush Jet and Megabuster..
(Thanks to maverickeffect@hotmail.com)

Start on Final Level
A1/3/4 B3 C1/2/3 D1/3
(Thanks to maverickeffect@hotmail.com)

Top Man Password
A1/2/3 B4 C2/3/4 D1
(Thanks to maverickeffect@hotmail.com)

Wood Man Password
A1/3 B4 C3 D1/2/4
(Thanks to maverickeffect@hotmail.com)