Finish a level without firing your primary or your secondary weapon
Complete a single world on Experienced difficulty without saving any humans
Succeed in 10 level end dashes in a row on any difficulty
Finish 5 levels in a row without movement, dashing allowed
Defeat the Beamtron on Experienced difficulty with one or more enemies still alive
Complete Arcade mode on Experienced difficulty without continuing
Clear a single world on Experienced difficulty or higher without getting hit
Complete Arcade mode on Experienced difficulty
Complete Space Station in arcade mode on any difficulty
Save all Secret Humans in a single world on Experienced difficulty or higher
Deal a killing blow to a boss with a Sword attack
Complete Future Labs in arcade mode on any difficulty
Complete Arcade mode on Rookie difficulty
Kill every Disruptor in a single world
Discover a secret level
Dash through 3 beams with single dash
Complete Machine City in arcade mode on any difficulty
Complete Fire Caverns in arcade mode on any difficulty
Complete Crystal Mountain in arcade mode on any difficulty
Fully power up the Hero
Complete Techno Forest in arcade mode on any difficulty
Kill a Disruptor
Save a human while it's being harvested
Reach a human combo of 5
Complete a feat
Complete all trophies
Complete Arcade mode on Veteran difficulty
Complete Techno Forest on Master difficulty
Destroy every Secret Beacon in a single world
Save all Humans and Secret Humans in a single world on Veteran difficulty
Clear a single world while succeeding in every level end dash on any difficulty
Complete 50 feats
Complete 100 feats
Reach a human combo of 50
Beat Machine City on Experienced difficulty in under 5:45
Reach a multiplier of 50
Earn 3 bronze medals in the Arena
Earn 6 silver medals in the Arena
Earn 9 gold medals in the Arena