Full list of all 36 The Haunted: Hells Reach achievements.
The base game contains 28 achievements, and there are 3 DLC packs containing 8 achievements.
Beat Lost Temple on easy or higher
Beat Canyon on easy or higher
Reach a Kill-Chain combo of 50
Beat Night Frontier on easy or higher
Beat an Inferno round by using melee only
Beat Abandoned Mine on easy or higher
Kill a minion with a stun breaker
Beat Museum on easy or higher
Kill 10 minions with one grenade
Kill two minions with a Charge Thrustkick
Perform a charge melee kill
Reach a Kill-Chain combo of 25
Beat an Inferno round by using guns only
Perform an execution
Kill 53598 Minions
Beat all inferno levels
Beat an inferno level in solo mode without using a healthstone
Use every move and execution within one round
Perform a RAGE Outburst that kills at least 3 minions
Kill every minion and its variants once
Beat an Inferno round without taking damage
Get killed while being stunned
Get killed by a wendigo
Get your head cut off by a headsman
Beat Excavation on easy or higher
Beat Stronghold on easy or higher
Beat Steel Town on easy or higher
Reach a Kill-Chain combo of 100
Beat FOG on easy or higher
Beat any map on beginner or easy difficulty while HARDCORE Mode is enabled
Beat any map on medium difficulty while HARDCORE Mode is enabled
Beat any map on hard difficulty while HARDCORE Mode is enabled
Beat any map on Nightmare difficulty while HARDCORE Mode is enabled
Beat Santa Town on easy or higher