Earn all other trophies
Purchase 2 skins
Complete "Stairway to Death" chapter
Complete "The Disclosure" chapter
Complete "Hell's Kitchen" chapter
Defeat the Living Oven
Complete "Nocturnal Experiments" chapter
Purchase a skin
Purchase 2 weapon upgrades
Defeat the Giant Toad
Purchase 2 special items
Complete "Little Invaders" chapter
Purchase a weapon upgrade
Purchase a special item
Defeat the Giant Flambido
Unlock a level with 3 stars
Rescue a classmate
Complete the tutorial