Complete all stages and defeat the boss
Score over 5,000
Complete the game on Nightmare
Score 20,000 or more 5 times
Jump on top of a flying enemy
Kill a Warden (the monster on a pillar) with a stake projectile.
Impale a flying enemy with a spike.
Score over 10,000
Complete the game without spike kills
Kill 6 enemies during bullet time
Complete the game on Hard
Overheat your weapon 10 times during a single run
Unlock all upgrades
Unlock all weapons
Deliver an offering without pushing it.
Kill 5 enemies using exploding barrels
Complete the game with less than 5 gun kills
Stomp and kill 3 enemies at once
Slay every type of monster
Score over 1,000