The Caligula Effect: Overdose
37 achievements
Ultra Rare×5
Very Rare×13
Rare×14
Uncommon×2
Common×3
About The Caligula Effect: Overdose's achievements
The Caligula Effect: Overdose has 37 Steam achievements, 5 of them ultra-rare — unlocked by under 5% of players. The rarest is "The Caligula Effect: Overdose", earned by just 2.1% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.
Rarest achievement
2.1%
of players earned "The Caligula Effect: Overdose"
Community Ratings
No ratings yetDifficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All The Caligula Effect: Overdose achievements
37 achievements
Ultra Rare2.1%
Ultra Rare2.6%
Ultra Rare2.9%
Ultra Rare3.2%
Ultra Rare4.8%
Very Rare6.6%
Very Rare9.1%
Very Rare9.2%
Very Rare9.4%
Very Rare10.3%
Very Rare11.1%
Very Rare12.1%
Very Rare12.2%
Very Rare13.0%
Very Rare14.0%
Very Rare14.0%
Very Rare14.2%
Very Rare15.0%
Rare15.1%
Rare15.4%
Rare15.6%
Rare16.3%
Rare16.4%
Rare16.5%
Rare17.6%
Rare17.7%
Rare19.0%
Rare20.7%
Rare21.4%
Rare24.7%
Rare25.4%
Rare29.6%
Uncommon33.1%
Uncommon42.2%
Common83.4%
Common86.9%
Common90.0%