Developer Challenges:
Easy:
Find the Secret Level Select
Defeat All Clones in Level 2
Defeat the Graviturgist
Medium:
Score a Timed (2x) Hit with Magic
Unlock the Magic and Sword upgrades
Defeat every enemy in the game
Hard:
Send your health bar off screen
Complete the game taking fewer than 100 steps
Defeat the Graviturgist without getting hit
Master:
Beat every enemy, taking no damage