Get your first Sub-Tank
Get your first Heart Tank
Get the Helmet Upgrade
Get the Armor Body Upgrade
Get the Boots Upgrade
Get the X-Buster Upgrade
Get all the Armor Upgrades
Reach Sigma Stage in Normal
Find the Secret Upgrade
Get the Z2 Upgrade(Only with First Armor)
Get the Z4 Upgrade(Only with First Armor)
Get all the Sub-Tanks
Get the Z1 Upgrade(Only with First Armor)
Get all the Heart Tanks
Get the Z3 Upgrade(Only with First Armor)
Reach Sigma Stage in Hard
Reach Sigma Stage in Xtreme
Win the game without armor(only foot), Zero Weapons, Hearts and Sub-Tanks (In Xtreme)
Beat Vava
Beat Vava without taking damage on Xtreme difficulty
Beat Chill Penguin
Beat Chill Penguin without taking damage on Xtreme difficulty
Beat Spark Mandrill
Beat Spark Mandrill without taking damage on Xtreme difficulty
Beat Storm Eagle
Beat Storm Eagle without taking damage on Xtreme difficulty
Beat Flame Stag
Beat Flame Stag without taking damage on Xtreme difficulty
Beat Wheel Gator
Beat Wheel Gator without taking damage on Xtreme difficulty
Beat Magna Centipede
Beat Magna Centipeder without taking damage on Xtreme difficulty
Beat Armored Armadillo
Beat Armored Armadillo without taking damage on Xtreme difficulty
Beat Morph Moth
Beat Morph Moth without taking damage on Xtreme difficulty
Find and beat Zain
Find and Beat Geemel
Beat the Spider in Sigma Palace
Beat Serges in Sigma Palace
Beat the first Sigma
Beat the Final Sigma on Normal difficulty
Beat the Final Sigma on Hard difficulty
Beat the Final Sigma without taking damage on Xtreme difficulty