
Osteoblasts
26 achievements
Ultra Rare×8
Very Rare×14
Rare×3
Common×1
About Osteoblasts's achievements
Osteoblasts has 26 Steam achievements, 8 of them ultra-rare — unlocked by under 5% of players. The rarest is "Predecessor", earned by just 2.2% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.
Rarest achievement
2.2%
of players earned "Predecessor"
Community Ratings
No ratings yetDifficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
Want to rate Osteoblasts? Sign in with Steam — one rating per person.
ℹ️Showing global unlock rates. Sign in with Steam to see your personal progress.
All Osteoblasts achievements
26 achievements
Ultra Rare2.2%
Ultra Rare3.0%
Ultra Rare3.2%
Ultra Rare4.0%
Ultra Rare4.0%
Ultra Rare4.1%
Ultra Rare5.0%
Ultra Rare5.0%
Very Rare5.1%
Very Rare5.1%
Very Rare5.1%
Very Rare5.7%
Very Rare5.7%
Very Rare5.9%
Very Rare5.9%
Very Rare6.0%
Very Rare6.8%
Very Rare7.9%
Very Rare8.8%
Very Rare9.1%
Very Rare9.7%
Very Rare13.0%
Rare17.0%
Rare21.6%
Rare24.4%
Common54.0%