Nightmare of Decay

Nightmare of Decay

16 achievements
Ultra Rare×9
Very Rare×2
Rare×1
Uncommon×3
Common×1

About Nightmare of Decay's achievements

Nightmare of Decay has 16 Steam achievements, 9 of them ultra-rare — unlocked by under 5% of players. The rarest is "Knife Only", earned by just 2.9% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
2.9%
of players earned "Knife Only"

Community Ratings

No ratings yet
Difficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All Nightmare of Decay achievements

16 achievements
Knife Only
Knife Only
Finish the campaign on any difficulty using only the Survival Knife.
Ultra Rare2.9%
Melee Only
Melee Only
Finish the campaign on any difficulty using only melee weapons.
Ultra Rare2.9%
Slow and Steady
Slow and Steady
Finish the campaign on any difficulty without sprinting.
Ultra Rare3.8%
Hardcore Ironman
Hardcore Ironman
Finish the campaign on hard difficulty without saving or loading.
Ultra Rare4.0%
No Healing
No Healing
Finish the campaign on any difficulty without using any healing items.
Ultra Rare4.0%
Horde Survivor
Horde Survivor
Survive past wave 10 in Horde Mode.
Ultra Rare4.1%
Hardcore Randomized
Hardcore Randomized
Finish Randomizer mode on hard difficulty.
Ultra Rare4.1%
Randomized
Randomized
Finish Randomizer mode on any difficulty.
Ultra Rare4.5%
Ironman
Ironman
Finish the campaign on any difficulty without saving or loading.
Ultra Rare4.5%
Speedrunner
Speedrunner
Finish the campaign on any difficulty in under 1 hour.
Very Rare5.5%
Escapist
Escapist
Successfully escape from the dungeon in Dungeon Escape mode.
Very Rare6.6%
Hardcore
Hardcore
Finish the campaign on hard difficulty.
Rare15.1%
Beast Slayer
Beast Slayer
Kill the Monstrous Beast in the campaign.
Uncommon42.5%
A Small Favor
A Small Favor
Complete the favor for the creature in the hole.
Uncommon43.9%
Finisher
Finisher
Finish the campaign on any difficulty.
Uncommon47.1%
Fresh Meat
Fresh Meat
Kill the Meat Golem in the campaign.
Common65.2%