Complete Adventure Mode with 100%
Collect all 20 runes hidden in the dungeon
Complete Challenge Mode
Defeat the final boss, bringing them all to 2 hearts, then 1 heart before killing them
Defeat the Plant Boss mini-plants in the following order: Green, Red then White
Defeat the Slime Boss without letting him absorb any small slimes
Defeat the Spider Boss using minimal fireballs
Complete Adventure Mode
Complete Adventure Mode without dying too many times
Complete Adventure Mode quickly
Completed Sprint Mode
Completed Sprint Mode after collecting 20 Nega Clocks
Completed Sprint Mode with time to spare
Completed Survival Mode
Completed Survival Mode after collecting 20 skulls
Die in the final boss room on Survival Mode, before the boss fight
Completed Adventure Mode (Mirror Mode)
Completed Survival Mode (Mirror Mode)
Completed Sprint Mode (Mirror Mode)
Completed Challenge Mode while using a different game skin