Core Keeper
55 achievements
Ultra Rare×14
Very Rare×20
Rare×11
Uncommon×7
Common×3
About Core Keeper's achievements
Core Keeper has 55 Steam achievements, 14 of them ultra-rare — unlocked by under 5% of players. The rarest is "The Credence of Ruin", earned by just 1.6% of players. Across 6 SteamVault hunters who reached 100%, full completion takes a median of about 86 hours. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.
Rarest achievement
1.6%
of players earned "The Credence of Ruin"
SteamVault 100%s
6
members fully completed it
Median to 100%
86h
typical time to full completion
Community Ratings
No ratings yetDifficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All Core Keeper achievements
55 achievements
Ultra Rare1.6%
Ultra Rare2.1%
Ultra Rare2.2%
Ultra Rare2.7%
Ultra Rare3.0%
Ultra Rare3.3%
Ultra Rare3.4%
Ultra Rare3.5%
Ultra Rare3.5%
Ultra Rare3.6%
Ultra Rare4.1%
Ultra Rare4.4%
Ultra Rare4.7%
Ultra Rare4.9%
Very Rare5.1%
Very Rare6.3%
Very Rare6.7%
Very Rare7.5%
Very Rare8.0%
Very Rare8.1%
Very Rare8.4%
Very Rare8.5%
Very Rare8.5%
Very Rare8.6%
Very Rare9.0%
Very Rare9.3%
Very Rare9.3%
Very Rare9.5%
Very Rare10.2%
Very Rare10.4%
Very Rare12.6%
Very Rare14.3%
Very Rare14.6%
Very Rare15.0%
Rare15.2%
Rare16.6%
Rare17.1%
Rare18.0%
Rare18.1%
Rare23.2%
Rare24.9%
Rare25.7%
Rare26.4%
Rare28.5%
Rare28.8%
Uncommon30.1%
Uncommon34.5%
Uncommon35.1%
Uncommon37.1%
Uncommon39.2%
Uncommon43.6%
Uncommon43.6%
Common51.8%
Common53.2%
Common64.0%