Full list of all 50 Splatterhouse achievements worth 1,000 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Xbox 360.
Unlock all pages of Dr. West's journal.
Get six S-ranks in Survival Arena mode.
Re-assemble all of Jen's photos.
Get three S-ranks in Survival Arena mode.
Accomplish all 10 Secret Missions in a single Survival Arena attempt.
Complete Phase 8: Reflections in Blood.
Complete Phase 10: The Wicker Bride.
Kill 6 enemies in one ram attack.
Get 2000 or more BLOOD Points in one chain of attacks.
Unlock 25 skills.
Unlock 25% of Dr. West's journal.
Complete the game on "Savage" difficulty (or harder).
Complete the game on "Brutal" Difficulty.
Unlock all skills.
Perform 150 Splatterkills.
Re-assemble 8 of Jen's photos.
Unlock 50% of Dr. West's journal.
Get 50 kills with enemy heads.
Get 300 kills in Berserker Mode.
Listen to all of Dr. West's gramophone records.
Get 150 kills with enemy arms.
Perform 75 Splatterkills.
Get an S-rank in Survival Arena mode.
Complete the game on any difficulty.
Get 100 kills with Splatter Smash.
Kill an enemy with Splatter Smash.
Complete Phase 6: Beast with a Human Heart.
Tackle an enemy and pummel it 20 times.
Get 100 kills with Splatter Slash.
Stomp on 1000 Boreworms.
Splat 200 enemies on a wall with a weapon.
Kill an enemy with a Splatter Slash.
Launch an enemy straight up with "No Head Room".
Complete Phase 4: The Meat Factory.
Get 500 kills with non-fleshy weapons.
Splat 100 enemies on a wall with a weapon.
Accomplish 5 Secret Missions in a single Survival Arena attempt.
Re-assemble one of Jen's sexy photos.
Kill an enemy with an enemy's head.
Unlock 5% of Dr. West's journal.
Complete Phase 2: The Doll that Bled.
Kill 6 enemies within one second.
Impale an enemy on a spike.
Get 50 kills with non-fleshy weapons.
Purchase a skill.
Kill an enemy with an enemy's arm.
Kill an enemy with your own dismembered arm.
Splat an enemy on a wall with a weapon.
Regenerate with Splatter Siphon.
Perform a Splatterkill.