Complete the entire Dr. Light Institute database (some files need an exact amount of battle data to be counted as completed)

Complete the Mission Mode and Unlock the sound test

In Toad Man Stage defeat the first Escaroo/Bomber Snail Mini Boss without taking damage

Defeat Toad Man

Defeat Toad Man using only the Mega Buster [Only in the Robot Master's Stage, Switch the Weapon will Void the achievement, In Original Mode switching in the menu still count as a switch]

Defeat Toad Man without taking damage [Only in the Robot Master's Stage]

Defeat Bright Man

Defeat Bright Man using only the Mega Buster [Only in the Robot Master's Stage, Switch the Weapon will Void the achievement, In Original Mode switching in the menu still count as a switch]

Defeat Bright Man without taking damage [Only in the Robot Master's Stage]

Get the Balloon on the Pharaoh Stage

Defeat Pharaoh Man

Defeat Pharaoh Man using only the Mega Buster [Only in the Robot Master's Stage, Switch the Weapon will Void the achievement, In Original Mode switching in the menu still count as a switch]

Defeat Pharaoh Man without taking damage [Only in the Robot Master's Stage]

In Ring Man Stage defeat the first Kabatoncue/Hippo Launcher Mini Boss without taking damage

In Ring Man Stage defeat the first Whopper/Spring King Mini Boss without taking damage

Defeat Ring Man

Defeat Ring Man using only the Mega Buster [Only in the Robot Master's Stage, Switch the Weapon will Void the achievement, In Original Mode switching in the menu still count as a switch]

Defeat Ring Man without taking damage [Only in the Robot Master's Stage]

Defeat Dust Man

Defeat Dust Man using only the Mega Buster [Only in the Robot Master's Stage, Switch the Weapon will Void the achievement, In Original Mode switching in the menu still count as a switch]

Defeat Dust Man without taking damage [Only in the Robot Master's Stage]

Defeat Skull Man

Defeat Skull Man using only the Mega Buster [Only in the Robot Master's Stage, Switch the Weapon will Void the achievement, In Original Mode switching in the menu still count as a switch]

Defeat Skull Man without taking damage [Only in the Robot Master's Stage]

In Dive Man Stage defeat the first Moby Mini Boss without taking damage

Get the Wire on the Dive Stage

Defeat Dive Man

Defeat Dive Man using only the Mega Buster [Only in the Robot Master's Stage, Switch the Weapon will Void the achievement, In Original Mode switching in the menu still count as a switch]

Defeat Dive Man without taking damage [Only in the Robot Master's Stage]

Defeat Drill Man

Defeat Drill Man using only the Mega Buster [Only in the Robot Master's Stage, Switch the Weapon will Void the achievement, In Original Mode switching in the menu still count as a switch]

Defeat Drill Man without taking damage [Only in the Robot Master's Stage]

Defeat Mothraya

Defeat Mothraya without taking damage

Defeat Square Machine

Defeat Square Machine without taking damage

Defeat Cockroach Twins

Defeat Cockroach Twins without taking damage

Defeat Cossack Catcher

Defeat Cossack Catcher without taking damage

Defeat Met Daddy

Defeat Met Daddy without taking damage

Defeat Tako Trash

Defeat Tako Trash without taking damage

Defeat Wily Machine and the Boring Boss Rush

Defeat Wily Machine without taking damage

Defeat the Boss Rush and move to the Wily's room only using buster [Reset the Stage if you fail, Switch the Weapon will Void the achievement, In Original Mode switching in the menu still count as a switch]

Finish the game

Defeat Wily Capsule without taking damage

Unlock the Hyper Jump Extra Part [One Session]

Unlock the Auto Charge Extra Part [One Session]

Unlock the Energy Saver Extra Part [One Session]

Unlock the Hyper Shot Extra Part [One Session]

Unlock the Hyper Charge Shot Extra Part [One Session]

Unlock the Power Shot Extra Part [One Session]

Unlock the Hyper Charge Extra Part [One Session]

Unlock the Speed Up Extra Part [One Session]

Beat all 8 Robot Masters Stages and move to the Dr. Cossack stages without dying

Complete all the Cossack and Wily Stage without dying