Idlequarium

37 achievements

Ultra Rare×9

Very Rare×7

Rare×9

Uncommon×6

Common×6

About Idlequarium's achievements

Idlequarium has 37 Steam achievements, 9 of them ultra-rare — unlocked by under 5% of players. The rarest is "Coral Collector", earned by just 1.8% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

1.8%

of players earned "Coral Collector"

🗺️ Community guides & walkthroughs

Community Ratings

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Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

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All Idlequarium achievements

37 achievements

Coral Collector

Unlock all Golden fish in the Coral Guardian set

Ultra Rare1.8%

River Collector

Unlock all Golden fish in the River Dwellers set

Ultra Rare1.8%

Shallow Sea Collector

Unlock all Golden fish in the Reef Sprites set

Ultra Rare1.9%

Giant Collector

Unlock all Golden fish in the Ocean Giant set

Ultra Rare2.0%

Stream Collector

Unlock all Golden fish in the Stream Wanderer set

Ultra Rare2.1%

Ornamental Collector

Unlock all Golden fish in the Aquarium Pals set

Ultra Rare2.7%

Coral Expert

Unlock all Rainbow fish in the Coral Guardians set

Ultra Rare2.8%

Shallow Sea Expert

Unlock all Rainbow fish in the Reef Sprites set

Ultra Rare3.1%

River Expert

Unlock all Rainbow fish in the River Dwellers set

Ultra Rare3.8%

Giant Expert

Unlock all Rainbow fish in the Ocean Giants set

Very Rare5.1%

Stream Expert

Unlock all Rainbow fish in the Stream Wanderers set

Very Rare5.4%

Ornamental Expert

Unlock all Rainbow fish in the Aquarium Pals set

Very Rare8.1%

Coral Enthusiast

Unlock all Common fish in the Coral Guardians set

Very Rare11.8%

My Preciousss...

Collect 6 different types of Legendary decorations

Very Rare12.0%

Open Wide

Double the Auto-Feeder's efficiency

Very Rare13.9%

Shallow Sea Enthusiast

Unlock all Common fish in the Reef Sprites set

Very Rare14.0%

River Enthusiast

Unlock all Common fish in the River Dwellers set

Rare15.5%

Giant Enthusiast

Unlock all Common fish in the Ocean Giants set

Rare17.7%

Big Eater

Reach a 100% Feeding EXP bonus chance

Rare20.8%

Tank Collector

Own 10 tank skins

Rare21.0%

Decor Expert

Collect all Mystic Minerals decorations

Rare21.3%

Decor OG

Collect all Fantasy Adventure decorations

Rare23.3%

Tank Enthusiast

Own 5 tank skins

Rare25.5%

Ornamental Enthusiast

Unlock all Common fish in the Aquarium Pals set

Rare27.1%

What's in the Box?!

Open 100 Misc boxes

Rare27.5%

Stream Enthusiast

Unlock all Common fish in the Stream Wanderers set

Uncommon30.4%

Decor Enthusiast

Collect all Zen Garden decorations

Uncommon31.4%

One Bite Wonder

Double your Feeding EXP

Uncommon38.1%

Tycoon

Earn a total of 10,000,000,000

Uncommon39.6%

Decor Novice

Collect all Natural Wonders decorations

Uncommon44.9%

Lord of the Fins

Raise 1,000 fish

Uncommon49.1%

Millionaire

Earn a total of 10,000,000

Common52.3%

Fully Furnished

Equip all 6 types of decorations

Common53.6%

Little FishBoss

Earn a total of 100,000

Common66.0%

True Colors

Unlock all three colors for a single fish

Common74.2%

A Little Something

Equip one decoration

Common89.0%

First Friend

Raise your first fish

Common90.6%