Full list of all 138 Ring of Pain achievements.
The base game contains 71 achievements, and there are 5 DLC packs containing 67 achievements.
Die 250 times
Equip 8 different Head slot items in one playthrough
Reach the boss with less than 20% health remaining
Complete a run without any Epic or Legendary items equipped
Complete a run after travelling down a deep pit
Defeat the Owl on Hard difficulty
Have 60+ Speed
Have 100+ max Health
Complete a run in under 18 minutes
Pacify 25 Hounds
Have 60+ Clarity
Reach Depth 12 on Hard difficulty
Play 7 Daily Dungeons
Reach Depth 12 having killed all creatures on the way
Complete a run 5 times
Unlock 70 Achievements
Killed by equipping items
Have 60+ Defense
Kill 10 creatures with reflect damage
Die in Hard Mode
Kill a Shrieker
Dig up an item in the Graveyard
Reach depth 6 without drinking any potions
Complete a Daily Dungeon
Get a score of over 9000 in a Daily Dungeon
Poison 10 Banefangs
Play the game for 10 hours
Stealth past 10 Banefangs
Have 5 creatures explode in one turn
Transform 20 creatures
Shuffle 10+ times in a single run
Die 25 times
Kill a Wretched Amalgam that has 50+ max health
Kill 1000 creatures
Kill a Pupper
Reach Depth 6 without attacking a creature
Successfully Stealth past 100 different creatures
Reduce your max health to 1 with the Fountain of Life
Spend 100+ Souls with Soul Spill
Go from full Health to 1 Health in a single turn
Poison 50 creatures
Get cursed by potions 3 consecutive times
Die within 30 seconds of starting a run
Complete the Dark Ending
Freeze 50 creatures
Die with Rainbow Socks equipped
Parry 50 creatures
Die to a boss
Reach the boss on maximum health
Attack Owl friend
Kill 20 Scroungers
Have a full inventory
Kill multiple creatures in a single turn 50 times
Complete the Light Ending
Have 60+ Attack
Deal 99+ damage in a single attack
Have 500+ Souls
Choose your final path
Kill a Bilebag from a distance
Kill 20 different types of creatures in a single game
Reach a depth of 12
Deal 25+ damage in a single attack
Kill 100 creatures
Use a Shrine
Discover 10 new paths
Kill a cute, harmless frog
Reach a depth of 6
Successfully Stealth past 10 different creatures in a single game
Exit a room without attacking any creatures
Discover a new path
Complete the Tutorial
Kill 10,000 creatures
Finish the game without using any scrolls or spellbooks
Kill 10 Fire Breeds with an explosion
Kill a Stone Shifter in Hard Mode
Intimidate 250 creatures
Accept 100 items from Owl
Teleport or knockback an explosive creature 50 times
Freeze 200 creatures
Poison 300 creatures
Make a wish
Complete a run without ever equipping a Rare or Epic item
Complete a run without using any rerolls
Kill an Ancient Ice Beast which has more than 30 Defense
Complete a run without ever equipping an Epic or Legendary item
Complete a run with 4 or fewer items equipped
Heal 50+ with one potion
Have 20 Poison on yourself
Kill 10+ creatures in one turn
Complete a run without replacing any equipped items
Kill Sam and spare the companions
Hex a frog
Complete a run without ever equipping a Common item
Complete a run with 5 or less max Health
Complete a run with 0 or less Attack
Complete a run with 0 or less Defense
Have 2000+ Souls
Hit Owl with a spoon
Get hit by 20 explosions in one run
Get Poisoned twice in one turn
Complete a run without discarding any items
Petrify 50 creatures
Kill a Spineback while its spines are exposed
Destroy 20 equipped items in one run
Complete a run without ever equipping any Body, Head, Arms, Legs or Feet items
Complete a run without entering any special dungeons (only use the black exits)
Use 35 Exit cards of any type in a single run
Reach Depth 12 on Medium difficulty
Reach depth 10 without hurting a Gnawling
Reroll 30 times in a single run
Complete a run with the first item equipped
Transform a Firebead that was about to self-destruct
Get cursed while at 1 health
Kill all enemies in a dungeon with the rock
Escape fatal poison damage by leaving dungeon
Complete a run without killing a Scrounger
Complete a run with your Stealth, Crit and Dodge chance lower than 10%
Complete a run without taking any explode damage
Complete a run without gaining any stats from Stat Boosts
Complete a run with only Diviner items equipped
Complete a run with only Soul Kin items equipped
Complete a run with only Multiclass items equipped
Complete a run with only Stalker items equipped
Complete a run with only Brute items equipped
Kill all creatures in a core path dungeon on the first turn
Kill a boss without ever attacking them directly
Kill a boss without any items equipped
Kill a creature with exactly the same stats as you
Spend more than 200 Souls rerolling a chest and then discard it
Survive a total of 60+ damage in a single Nest or Swamp dungeon
Wear items of the same set in the Head, Body, Legs, and Feet slots