No missable achievements (plus 69 unknown)
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Attain Fighter rank.
Obtain Fireproof ability.
Obtain Repel ability.
Obtain Scatter ability.
Obtain Iron Grip ability.
Obtain Courage ability.
Obtain Kaboom ability.
Obtain Mithridate ability.
Obtain Looter ability.
Obtain Heavy Duty ability.
Obtain Lightfoot ability.
Obtain Toasty ability.
Obtain Forget-Me-Not ability.
Obtain Heartbreaker ability.
Obtain Knives ability.
Obtain Houdini ability.
Obtain Voodoo ability.
Obtain Slash ability.
Obtain Trigger Happy ability.
Obtain Triple Shot ability.
Collect 10,000 treasure.
Obtain Reflex ability.
Obtain Pierce ability.
Obtain Attract ability.
The Companion Chest upgrades to its maximum level.
Obtain Vision ability.
Obtain Sense ability.
Defeat Hive Mind.
Defeat Mr Illusion.
Defeat Evil Chest.
Achieve rank 10 in Mayhem.
Defeat Giant Oaf.
Attain Warrior rank.
Defeat Zombie Chest.
Destroy 300 lights.
Destroy 1000 containers.
Win a Trapdoor game.
Escape the dungeon.
Open the gold chest.
Defeat Stumpy.
Pickup 100 hearts.
Have 20 tokens.
Defeat Hive Mind.
Attain Valiant rank.
Defeat Giant Oaf.
Defeat 2000 enemies.
Defeat Evil Chest.
Use 50 tokens.
Defeat Mr Illusion.
Defeat Zombie Chest.
Attain Adept rank.
Defeat Stumpy.
Attain Slayer rank.
Obtain Dash ability.
Defeat 200 enemies by setting them on fire.
Attain Hero rank.
Escape the dungeon in Champion Mode.
Attain Champion rank.
Use 20 Teleporters.
Destroy 20 chests.
Avoid picking up 20 hearts.
Defeat the Dungeon Master.
Attain Legend rank.
Attain Diehard rank.
Avoid opening 10 chests.
Complete Fading Light in under 3 minutes.
Survive 20 rooms of Survival
Destroy 500 containers with fire.
Escape the dungeon at Diehard rank, in Champion Mode, and defeat the Dungeon Master.