OO.Inc

OO.Inc

10 achievements

Ultra Rare×7

Rare×2

Uncommon×1

About OO.Inc's achievements

OO.Inc has 10 Steam achievements, 7 of them ultra-rare — unlocked by under 5% of players. The rarest is "Five A", earned by just 5.0% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

5.0%

of players earned "Five A"

🗺️ Community guides & walkthroughs

Community Ratings

No ratings yet

Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

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All OO.Inc achievements

10 achievements

Five A

Get 5 A in any level

Ultra Rare5.0%

Ten A

Get 10 A in any level

Ultra Rare5.0%

Fifteen A

Get 15 A in any level

Ultra Rare5.0%

Do M

Get an S in level Masochistic

Ultra Rare5.0%

Five S

Get 5 S in any level

Ultra Rare5.0%

Ten S

Get 10 S in any level

Ultra Rare5.0%

Fifteen S

Get 15 S in any level

Ultra Rare5.0%

One S

Get an S in any level

Rare20.0%

Fantastic

Get 120 points in one move

Rare25.0%

One A

Get an A in any level

Uncommon35.0%