Beat the game within 50 minutes.
Before damaging Press Disposer, destroy his nose and defeat him from start to finish.
Destroy the snow generator at Blizzard Buffalo stage.
Obtain the enhancement Head chip.
Obtain the enhancement Arm chip.
Obtain the enhancement Body chip.
Obtain the enhancement Foot chip.
Obtain the Z-Saber as X.
Obtain a Sub-Tank.
Obtain all Sub-Tanks.
Finish Blast Hornet stage.
Finish Blizzard Buffalo stage.
Finish Gravity Beetle stage.
Finish Toxic Seahorse stage.
Finish Volt Catfish stage.
Finish Crush Crawfish stage.
Finish Tunnel Rhino stage.
Finish Neon Tiger stage.
Defeat Godkarmachine and finish Doppler's Lab 1 stage.
Defeat Press Disposer and finish Doppler 1's Lab stage.
Defeat Volt Kurageil and finish Doppler's Lab 2 stage.
Defeat Vile-MK II and finish Doppler's Lab 2 (Destroyed) stage.
Defeat Dr. Doppler and finish Doppler's Lab 3.
Finish Doppler's Lab 1 stage without dying, using only the buster and no use of Sub-Tanks.
Finish Doppler's Lab 2 stage without dying, using only the buster and no use of Sub-Tanks.
Finish Doppler's Lab 2 (Destroyed) stage without dying, using only the buster and no use of Sub-Tanks.
Finish Doppler's Lab 3 stage without dying, using only the buster and no use of Sub-Tanks.
Defeat Mac without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Worm Seeker-R without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Hotareeca without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Shurikein without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat REX-2000 without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Mosquitus without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Maoh the Giant without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Ride Armor Goliath and Vile-MK II on Doppler's Lab 2 without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Sigma 1st and Kaiser Sigma without taking damage (Projectile Saber and X Saber not allowed).
Beat the entire boss rush without taking damage.
Beat the game on New Game+.
Beat the game using only the buster (one session, Projectile Saber and X Saber not allowed).
Finish the introductory stage.
Obtain the Foot upgrade.
Obtain the Arm upgrade.
Obtain the Body upgrade.
Obtain the Head upgrade.
Defeat Blast Hornet without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Blizzard Buffalo without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Gravity Beetle without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Toxic Seahorse without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Volt Catfish without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Crush Crawfish without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Tunnel Rhino without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Hell Crusher without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Neon Tiger without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Vile's Ride Armor without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Finish Blast Hornet stage without dying, using only the buster and no use of Sub-Tanks.
Finish Blizzard Buffalo stage without dying, using only the buster and no use of Sub-Tanks.
Finish Gravity Beetle stage without dying, using only the buster and no use of Sub-Tanks.
Finish Toxic Seahorse stage without dying, using only the buster and no use of Sub-Tanks.
Finish Volt Catfish stage without dying, using only the buster and no use of Sub-Tanks.
Finish Crush Crawfish stage without dying, using only the buster and no use of Sub-Tanks.
Finish Tunnel Rhino stage without dying, using only the buster and no use of Sub-Tanks.
Finish Neon Tiger stage without dying, using only the buster and no use of Sub-Tanks.
Collect a Heart Tank.
Have all 8 hearts with the Armor apgrade.
Obtain all Ride Armors.
Finish all 8 stages without having any upgrade, heart tank, sub tank or ride armor.
Defeat Bit without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Byte without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Godkarmachine without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Obtain the Black Armor or Golden Chip upgrade.
Finish Doppler's Lab 4 using buster only and no use of Sub Tanks.
Beat the game.
Beat the game without dying (one session).
Defeat Dr. Doppler without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Press Disposer without taking damage, using buster only (Projectile Saber and X Saber not allowed).
Defeat Volt Kurageil without taking damage, using buster only (Projectile Saber and X Saber not allowed).