iO
39 achievements
Ultra Rare×21
Very Rare×8
Rare×3
Uncommon×6
Common×1
About iO's achievements
iO has 39 Steam achievements, 21 of them ultra-rare — unlocked by under 5% of players. The rarest is "Impossiball ride", earned by just 2.3% of players. 1 SteamVault member has 100%-completed it so far. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.
Rarest achievement
2.3%
of players earned "Impossiball ride"
SteamVault 100%s
1
member fully completed it
Community Ratings
No ratings yetDifficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
Want to rate iO? Sign in with Steam — one rating per person.
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All iO achievements
39 achievements
Ultra Rare2.3%
Ultra Rare2.4%
Ultra Rare2.4%
Ultra Rare2.4%
Ultra Rare2.5%
Ultra Rare2.6%
Ultra Rare2.6%
Ultra Rare2.6%
Ultra Rare2.6%
Ultra Rare2.9%
Ultra Rare3.2%
Ultra Rare3.6%
Ultra Rare3.6%
Ultra Rare3.6%
Ultra Rare3.7%
Ultra Rare3.7%
Ultra Rare4.2%
Ultra Rare4.2%
Ultra Rare4.6%
Ultra Rare4.9%
Ultra Rare5.0%
Very Rare6.1%
Very Rare6.4%
Very Rare6.4%
Very Rare7.1%
Very Rare8.8%
Very Rare10.0%
Very Rare13.0%
Very Rare14.9%
Rare19.0%
Rare22.5%
Rare28.5%
Uncommon30.5%
Uncommon31.2%
Uncommon32.3%
Uncommon32.7%
Uncommon34.8%
Uncommon36.7%
Common52.4%