Fish Idle 2: Underwater Mystery
30 achievements
Ultra Rare×21
Very Rare×6
Rare×3
About Fish Idle 2: Underwater Mystery's achievements
Fish Idle 2: Underwater Mystery has 30 Steam achievements, 21 of them ultra-rare — unlocked by under 5% of players. The rarest is "Legendary Collector ", earned by just 0.5% 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
0.5%
of players earned "Legendary Collector "
SteamVault 100%s
1
member fully completed it
Community Ratings
No ratings yetDifficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All Fish Idle 2: Underwater Mystery achievements
30 achievements
Ultra Rare0.5%
Ultra Rare0.5%
Ultra Rare0.5%
Ultra Rare0.5%
Ultra Rare0.5%
Ultra Rare0.6%
Ultra Rare0.6%
Ultra Rare0.6%
Ultra Rare0.8%
Ultra Rare0.8%
Ultra Rare0.9%
Ultra Rare1.1%
Ultra Rare1.1%
Ultra Rare1.7%
Ultra Rare1.8%
Ultra Rare2.2%
Ultra Rare2.4%
Ultra Rare2.4%
Ultra Rare2.5%
Ultra Rare3.2%
Ultra Rare4.7%
Very Rare5.7%
Very Rare6.0%
Very Rare6.8%
Very Rare7.7%
Very Rare12.5%
Very Rare13.0%
Rare16.7%
Rare20.4%
Rare25.8%