Kill an enemy with your own dismembered arm.

Splat an enemy on a wall with a weapon.

Regenerate with Splatter Siphon.

Get 50 kills with non-fleshy weapons.

Perform a Splatterkill.

Purchase a skill.

Kill an enemy with an enemy's arm.

Kill an enemy with an enemy's head.

Complete Phase 2: The Doll that Bled.

Get an S-rank in Survival Arena mode.

Get three S-ranks in Survival Arena mode.

Get six S-ranks in Survival Arena mode.

Stomp on 1000 Boreworms.

Accomplish 5 Secret Missions in a single Survival Arena attempt.

Launch an enemy straight up with "No Head Room".

Get 2000 or more BLOOD Points in one chain of attacks.

Listen to all of Dr. West's gramophone records.

Kill 6 enemies in one ram attack.

Unlock 25% of Dr. West's journal.

Unlock all pages of Dr. West's journal.

Re-assemble one of Jen's sexy photos.

Re-assemble 8 of Jen's photos.

Re-assemble all of Jen's photos.

Unlock 50% of Dr. West's journal.

Kill 6 enemies within one second.

Unlock 25 skills.

Unlock all skills.

Unlock 5% of Dr. West's journal.

Accomplish all 10 Secret Missions in a single Survival Arena attempt.

Splat 100 enemies on a wall with a weapon.

Complete the game on "Savage" difficulty (or harder).

Complete the game on "Brutal" Difficulty.

Kill an enemy with a Splatter Slash.

Get 100 kills with Splatter Slash.

Complete the game on any difficulty.

Complete Phase 10: The Wicker Bride.

Complete Phase 4: The Meat Factory.

Complete Phase 6: Beast with a Human Heart.

Complete Phase 8: Reflections in Blood.

Kill an enemy with Splatter Smash.

Get 100 kills with Splatter Smash.

Perform 75 Splatterkills.

Perform 150 Splatterkills.

Tackle an enemy and pummel it 20 times.

Splat 200 enemies on a wall with a weapon.

Get 50 kills with enemy heads.

Get 300 kills in Berserker Mode.

Get 500 kills with non-fleshy weapons.

Get 150 kills with enemy arms.

Impale an enemy on a spike.