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