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Chillquarium
1 / 21 achievements5%
Ultra Rare0 / 1
Very Rare0 / 9
Rare0 / 6
Uncommon0 / 3
Common1 / 2
About Chillquarium's achievements
Chillquarium has 21 Steam achievements, 1 of them ultra-rare — unlocked by under 5% of players. The rarest is "Pelagic Dudes Fanatic", earned by just 4.5% of players. 4 SteamVault members have 100%-completed it so far. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.
Rarest achievement
4.5%
of players earned "Pelagic Dudes Fanatic"
SteamVault 100%s
4
members fully completed it
Community Ratings
No ratings yetDifficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
Want to rate Chillquarium? Sign in with Steam — one rating per person.
All Chillquarium achievements
Your unlocked achievements
21 achievements
Common65.1%✓ 27 Jun 2026
Locked — 20 remaining
Ultra Rare4.5%
Very Rare5.5%
Very Rare5.7%
Very Rare6.1%
Very Rare6.2%
Very Rare6.6%
Very Rare9.4%
Very Rare9.5%
Very Rare10.0%
Very Rare10.7%
Rare15.1%
Rare15.5%
Rare15.7%
Rare19.5%
Rare26.7%
Rare29.8%
Uncommon34.1%
Uncommon41.1%
Uncommon48.9%
Common62.3%