Accomplish all 10 Secret Missions in a single Survival Arena attempt.
Unlock all pages of Dr. West's journal.
Get six S-ranks in Survival Arena mode.
Get 300 kills in Berserker Mode.
Re-assemble all of Jen's photos.
Complete the game on "Brutal" Difficulty.
Unlock all skills.
Get 150 kills with enemy arms.
Get three S-ranks in Survival Arena mode.
Perform 150 Splatterkills.
Get an S-rank in Survival Arena mode.
Get 100 kills with Splatter Smash.
Get 50 kills with enemy heads.
Unlock 50% of Dr. West's journal.
Complete the game on "Savage" difficulty (or harder).
Complete the game on any difficulty.
Complete Phase 10: The Wicker Bride.
Splat 200 enemies on a wall with a weapon.
Listen to all of Dr. West's gramophone records.
Complete Phase 8: Reflections in Blood.
Re-assemble 8 of Jen's photos.
Get 100 kills with Splatter Slash.
Perform 75 Splatterkills.
Kill an enemy with Splatter Smash.
Complete Phase 6: Beast with a Human Heart.
Unlock 25% of Dr. West's journal.
Unlock 25 skills.
Launch an enemy straight up with "No Head Room".
Stomp on 1000 Boreworms.
Kill an enemy with a Splatter Slash.
Complete Phase 4: The Meat Factory.
Get 2000 or more BLOOD Points in one chain of attacks.
Splat 100 enemies on a wall with a weapon.
Get 500 kills with non-fleshy weapons.
Tackle an enemy and pummel it 20 times.
Kill 6 enemies in one ram attack.
Complete Phase 2: The Doll that Bled.
Unlock 5% of Dr. West's journal.
Impale an enemy on a spike.
Accomplish 5 Secret Missions in a single Survival Arena attempt.
Kill an enemy with an enemy's head.
Purchase a skill.
Kill an enemy with an enemy's arm.
Re-assemble one of Jen's sexy photos.
Kill 6 enemies within one second.
Kill an enemy with your own dismembered arm.
Get 50 kills with non-fleshy weapons.
Regenerate with Splatter Siphon.
Splat an enemy on a wall with a weapon.
Perform a Splatterkill.