Here is the full list of all 36 Warhammer 40,000: Darktide achievements.
Complete 100 missions without anyone being downed.
As the Skullbreaker, knock down 100 enemies with a single Bull Rush on Malice difficulty or higher.
Have 4 different Classes at rank 30.
As the Psykinetic, kill 20 enemies within 2 seconds by knocking them off a ledge using your Ability.
Complete 10 missions in a row without going down on Malice difficulty or higher.
As the Sharpshooter, kill 5 enemies with a Frag Grenade without it bouncing.
As the Sharpshooter, complete a Mission on Malice Threat or higher without taking any melee damage.
Dodge 12 attacks in a row.
Kill 20 consecutive enemies with headshots.
As the Psykinetic, kill 3 elites with a single Perils of the Warp on Malice difficulty or higher.
Block 600 damage in 10 seconds.
Have 2 different Classes at rank 30.
Kill 90 enemies in less than 30 seconds.
Complete at least one of each Mission type on Heresy difficulty or higher.
Kill a total of 40.000 enemies.
Help 100 downed Operatives back up.
As the Psykinetic, kill a pouncing Pox Hound with Brain Burst.
Complete Path of Trust chapter 6.
Complete Path of Trust chapter 5.
Complete Path of Trust chapter 4.
Complete Path of Trust chapter 3.
As the Skullbreaker, kill a Corruptor by hitting it in the eye with your grenade.
As the Skullbreaker, use Bull Rush to interrupt a Plague Ogryn's charge.
Complete at least one of each Mission type on Uprising difficulty or higher.
Complete Path of Trust chapter 2.
As the Preacher, kill a charging Mutant with a melee attack while Dashing.
Kill a Monstrosity in 20 seconds or less.
Unlock access to Sire Melk's Requisitiorium.
As the Preacher, kill 50 shocked enemies within 10 seconds on Malice difficulty or higher.
Unlock your first Curio slot.
Banish a Daemonhost
As the Preacher, hit an enemy sniper more than 40 metres away using a Stumm Grenade.
Complete a Data Interrogation without an incorrect Auspex entry.
Complete Path of Trust chapter 1.
As the Sharpshooter hit 4 weakspots without missing a shot during one use of Volley Fire.
Complete the prologue.