Here is the full list of all 36 Splatter - there are Blood Red Edition achievements.
Reach the end of the first level.
Allow the looter to live.
Prevent the looter from obtaining a weapon
Defeat the cellar inhabitant.
Help all 6 park defenders to survive
Survive the worm invasion
Solve the village's insect problem
Obtain automatic guards for the village
Survive the electric chase
Shred 100 monsters with the harvester
Survive the subway journey
Survive the ambush at the schoolyard
Help the refugees at the factory
Bring the lighthouse back to life
Eliminate the threat in the laboratory
Finish the story
Finish the story on "maniac" difficulty
Kill 50 enemies without getting hurt
Defeat a boss without getting hurt
Defeat a boss with just the pistol
Destroy 2,000 environment objects
Score 50k in survival mode
Score 100k in survival mode
Score 250k in survival mode
Acquire all weapons in story mode
Upgrade all weapons to Max level
Blow up 7 enemies with a single explosion
Dissolve 5 zombies in acid
Find all parts of the golden gun
Find all pieces of the flak jacket
The key to everything, and then some
Find the secret cave behind the bushes
Find $5,000
Achieve a x10 multiplier
Achieve a x20 multiplier
erm... what?