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