Splatter has a total of 36 achievements through the gaming platform Steam. Achievements with a red background are story-oriented, and are generally easy to obtain if the player plans to complete the game at least once. Achievements with a blue background are exploration and skill-oriented, with majority of them being related to combat or finding objects.

Achievement Prerequisite
Firststepsintorain First Steps into the Rain Reach the end of the first level
Nothingincommonbuttheenemy Nothing in common but the enemy Allow the looter to live
Canttrustanyone Can't trust anyone Prevent the looter from obtaining a weapon
Asurgeofdeepestsatisfaction A surge of deepest satisfaction Defeat the cellar inhabitant
Survivaloftheunfit Survival of the Unfit Help all 6 park defenders to survive
Thecrawlingdisease The crawling disease Survive the worm invasion
Whereevenlightfailed Where even light failed Solve the village's insect problem
Gunswithoutbrains Guns without Brains Obtain automatic guards for the village
Flowwiththecurrent Flow with the current Survive the electric chase
Industryscaleharvesting Industry-scale harvesting Shred 100 monsters with the harvester
Publictransportmadness Public transport madness Survive the subway journey
Justlikewheniwasyoung Just like when I was young Survive the ambush at the school yard
Salvagewhatsleft Salvage what's left Help the refugees at the factory
Lightupthedark Light up the dark Bring the lighthouse back to life
Lesshumanthanexpected Less human than expected Eliminate the threat in the laboratory
Putanendtothis Put an end to this Finish the story
Thismadnesshadtostop This madness had to stop Finish the story on "maniac" difficulty
Canttouchthis Can't touch this Kill 50 enemies without getting hurt
Wreckingball Wrecking ball Defeat a boss without getting hurt
Skiller SKiller Defeat a boss with just the pistol
Collateraldamage Collateral damage Destroy 2,000 environment objects
Survivor Survivor Score 50k in survival mode
Clubof100000 Club of 100,000 Score 100k in survival mode
Thisismadness This is Madness! Score 250k in survival mode
Reasonablywellarmed Reasonably well armed Acquire all weapons in story mode
Lordofwar Lord of War Upgrade all weapons to Max level
Sevenatonestroke Seven at one stroke Blow up 7 enemies with a single explosion
Notknownfortheirwits Not known for their wits Dissolve 5 zombies in acid
Ashimmerinthedarkness A shimmer in the darkness Find all parts of the golden gun
Onemorelayerbetweenthemandme One more layer between them and me Find all pieces of the flak jacket
Akeymoment A Key moment The key to everything, and then some
Secretcave Secret Cave Find the secret cave behind the bushes
Spareadollar Spare a dollar? Find $5,000
Ultrakill Ultrakill! Achieve a x10 multiplier
Momomonsterkill MO-MO-MONSTER KILL! Achieve a x20 multiplier
Itmustbeart It must be Art erm... what?