Beat the Skullhead (ZX)

Get the Head Upgrade (X)

Beat Neon Tiger (X)

Beat Neon Tiger using only X and X-Buster (X)

Get the Body Upgrade (X)

Beat Launch Octopus (X)

Beat Launch Octopus using only X and X-Buster (X)

Get the Leg Upgrade (X)

Beat Volt Catfish (X)

Beat Volt Catfish using only X and X-Buster (X)

Get the Buster Upgrade (X)

Beat Flame Mammoth (X)

Beat Flame Mammoth using only X and X-Buster (X)

Beat Velguarder (X)

Beat Isaz and Sowilo (X)

Learn the Shotokan (X)

Beat Berkana (X)

Get the Leg Upgrade (Z)

Get the Head Upgrade (Z)

Get the Body Upgrade (Z)

Get the Buster Upgrade (Z)

Beat Wire Sponge (Z)

Beat Wire Sponge using only Zero and the Z-Saber (Z)

Beat Blast Hornet (Z)

Beat Blast Hornet using only Zero and the Z-Saber (Z)

Beat Overdrive Ostrich (Z)

Beat Overdrive Ostrich using only Zero and the Z-Saber (Z)

Beat Tunnel Rhino (Z)

Beat Tunnel Rhino using only Zero and the Z-Saber (Z)

Beat Velguarder (Z)

Beat Isaz and Sowilo (Z)

Beat Gareth (Z)

Have in inventory all the sub-tanks

Beat any boss without taking damage (xtr)

Get the MAX life with Zero (xtr)

Get the MAX life with X (xtr)

Select... (BA)

Only eight... (xtr)

Beat the Final Boss (xtr)

Beat the Course A in less than 4 minutes (BA)

Beat the Course B in less than 4 minutes (BA)

Get 4 Heart Tanks with each character (xtr)

Reach the Berkana stage (xtr)

Unlock the xtreme mode without beating the game

Get the X's armor without grab the Dr.Light's capsules

Unlock the attack mode mode without beating the game

Get the Real Ultimate Buster (X)

Beat Berkana using the Real Ultimate Buster (X)