Clear the Intro stage.

Clear Chill Penguin's stage.

Clear Spark Mandrill's stage.

Clear Armored Armadillo's stage.

Clear Launch Octopus's stage.

Clear Boomer Kuwanger's stage.

Clear Sting Chameleon's stage.

Clear Storm Eagle's stage.

Clear Flame Mammoth's stage.

Clear Part 1 of Sigma's Palace.

Clear Part 2 of Sigma's Palace.

Clear Part 3 of Sigma's Palace.

Clear Part 4 of Sigma's Palace.

Obtain Leg parts.

Obtain Body parts.

Obtain Helmet parts.

Obtain Arm parts.

Obtain Subtank A.

Obtain Subtank B.

Obtain Subtank C.

Obtain Subtank D.

Obtain 1 Health Boost heart.

Obtain 2 Health Boost hearts.

Obtain 3 Health Boost hearts.

Obtain 4 Health Boost hearts.

Obtain 5 Health Boost hearts.

Obtain 6 Health Boost hearts.

Obtain 7 Health Boost hearts.

Obtain 8 Health Boost hearts.

Obtain the ability to perform Hadokens.

Defeat Chill Penguin using his greatest weakness.

Defeat Spark Mandrill using his greatest weakness.

Defeat Armored Armadillo using his greatest weakness.

Defeat Launch Octopus using his greatest weakness.

Defeat Boomer Kuwanger using his greatest weakness.

Defeat Sting Chameleon using his greatest weakness.

Defeat Storm Eagle using his greatest weakness.

Defeat Flame Mammoth using his greatest weakness.

Defeat Vile using his greatest weakness.

Defeat Bosspider using his greatest weakness.

Defeat Rangda Bangda using his greatest weakness.

Defeat D-Rex using his greatest weakness.

Defeat Velguarder using his greatest weakness.

Defeat Sigma using his greatest weakness.

Defeat Sigma's second form using his greatest weakness.

Defeat a Batton M-501.

Defeat a Hotarion.

Sever Launcher Octopus's tentacles.

Sever Flame Mammoth's trunk.

Pick up the items on top of the spikes in Sigma's Palace, Pt. 3.

Make it to any Boss without firing a single shot.

Defeat any Boss within 10 seconds.

Clear any 1 of the 8 Maverick's stages without taking any damage.

Clear Story mode without using a single continue.

Clear Story mode without using a single Subtank.

Clear Story mode without picking up a single item that was dropped by an enemy.

Clear Story mode without picking up a single upgrade.

Clear Story mode using only the X-Buster.

Clear Story mode within 60 minutes.

Defeat every Boss without taking any damage.