Here is the full list of all 24 DEADBOLT achievements.
Kill Amber with a melee weapon, and Evelyn with a ranged weapon.
Kill Puff without using the Tommy Gun.
Clear all Dredged missions.
Destroy a body as it's being revived.
Clear all 1000 Year Royals missions.
Kill a Sergeant mid-spin.
Clear all Zombie Kingz missions.
Kill a vampire mid-air.
Melee a bouncer to death.
Buy a weapon from Charon.
Kill an undead... using the toilet.
Clear the first mission.
Earn every achievement.
Beat the entire game within 1 hour without quitting.
Beat the entire game without dying or quitting.
Get a five star rating on all missions.
Clear a stage with only headshot kills.
Collect all memory tapes.
Clear a stage with only melee weapons.
Clear "The Bogeyman" without being seen.
Clear "The Bloody Mary" without letting any vampires revive.
Clear "Timur the Tinkerer" using only trap kills.
Clear Vall's sniper nest using only headshots.
Clear "Ibzan" without being seen once.