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.
Complete Phase 4: The Meat Factory.
Re-assemble one of Jen's sexy photos.
Unlock 5% of Dr. West's journal.
Complete Phase 2: The Doll that Bled.
Kill an enemy with an enemy's head.
Impale an enemy on a spike.
Purchase a skill.
Kill an enemy with an enemy's arm.
Perform a Splatterkill.
Get 50 kills with non-fleshy weapons.
Splat an enemy on a wall with a weapon.
Regenerate with Splatter Siphon.
Complete Phase 6: Beast with a Human Heart.
Complete Phase 8: Reflections in Blood.
Complete Phase 10: The Wicker Bride.
Complete the game on any difficulty.
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.
Kill an enemy with Splatter Smash.
Get 100 kills with Splatter Smash.
Get 300 kills in Berserker Mode.
Get 500 kills with non-fleshy weapons.
Get 150 kills with enemy arms.
Get 50 kills with enemy heads.
Splat 100 enemies on a wall with a weapon.
Splat 200 enemies on a wall with a weapon.
Perform 75 Splatterkills.
Perform 150 Splatterkills.
Kill an enemy with your own dismembered arm.
Tackle an enemy and pummel it 20 times.
Kill 6 enemies within one second.
Kill 6 enemies in one ram attack.
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.
Stomp on 1000 Boreworms.
Get an S-rank in Survival Arena mode.
Get three S-ranks in Survival Arena mode.
Get six S-ranks in Survival Arena mode.
Accomplish 5 Secret Missions in a single Survival Arena attempt.
Accomplish all 10 Secret Missions in a single Survival Arena attempt.
Unlock 25 skills.
Unlock all skills.
Unlock 25% of Dr. West's journal.
Unlock 50% of Dr. West's journal.
Unlock all pages of Dr. West's journal.
Re-assemble 8 of Jen's photos.
Re-assemble all of Jen's photos.