Get the First Turbo Accelerator upgrade

Get the Second Turbo Accelerator upgrade

Purchase the Clobber Hand (without passwords)

Purchase the Magnet Hand (without passwords)

Purchase the Energy Balancer (without passwords)

Have 100 P-Chips (without passwords)

Defeat Jupiter

Defeat Jupiter using only the Mega Arm

Find the Oval Crystal

Find Proto Man in the Jupiter stage

Defeat Saturn

Defeat Saturn using only the Mega Arm

Find the Octagonal Crystal

Defeat Mercury

Defeat Mercury using only the Mega Arm

Defeat Venus

Defeat Venus using only the Mega Arm

Defeat Neptune

Defeat Neptune using only the Mega Arm

Defeat Mars

Defeat Mars using only the Mega Arm

Fight Dark Moon

Defeat Pluto

Defeat Pluto using only the Mega Arm

Find the Emerald Crystal

Get the Hidden E-Tank in the Uranus stage

Find the Diamond Crystal

Defeat Uranus

Defeat Uranus using only the Mega Arm

Get the Power Generator (without passwords)

Have 400 P-Chips (without passwords)

Defeat Terra and obtain his weapon

Beat the Wily Star

Find the secret path in the first level of the Wily Star

Defeat Enker

Find Proto Man in the Wily Star

Defeat Quint

Defeat Punk

Defeat Ballade

Find Proto Man in the Wily Star for the second time

Beat the game

Beat the game without the MH, CL, PG or Turbo Accelerator

Defeat any Stardroid without taking damage