Immerse yourself in the ultimate relaxing aquarium experience. Watch fish glide gracefully through a serene, ever-changing tank—no setup, no stress, just pure tranquility. Enjoy soothing visuals and ambient ASMR sounds as your aquarium comes to life effortlessly. Your peaceful escape awaits!
Live now
10
24h peak
10
All-time peak
10
SteamScope Score
45.0
Discovery
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About
Store description and overview from Steam.
Step into a world of serene underwater beauty with Zen Aquarium, the ultimate idle fish tank experience inspired by classic aquarium screensavers. No complex setups, no management stress, just pure visual enjoyment as a thriving aquatic world unfolds before your eyes. Perfect for ASMR lovers, chill gamers, and anyone who wants a peaceful, living desktop companion.
❗ Disclaimer: Zen Aquarium does not support ultrawide resolutions (21:9, 32:9)
New fish spawn and gracefully swim through your tank at regular intervals, creating an ever-evolving scene of harmony and tranquility. With simple and unique aquarium setups and many mesmerizing fish species, no two moments are ever the same.
Designed for relaxation and mindfulness, Zen Aquarium offers a soothing escape from the noise of everyday life. Let the gentle motion of fish, the soft bubbling of water, and the ambient aquatic sounds create a perfect stress-free atmosphere.
Customize your perfect aquatic atmosphere with a wide selection of ambient sounds and calming music. Whether you prefer gentle rainfall, soft wind, or even cozy cat purring, Zen Aquarium gives you full control. Mix and layer audio to create a unique soundscape that suits your mood—ideal for subtle background ambiance or full sensory immersion. Every session is a chance to discover a new combination, making each visit to your aquarium uniquely relaxing.
Unlike traditional aquarium sims, Zen Aquarium is all about relaxation, not management. There’s no need to feed fish, clean tanks, or adjust water levels—just sit back, unwind, and enjoy the mesmerizing world beneath the surface.
Player intelligence
Current activity, peaks, and momentum windows calculated from tracked player metrics.
7 day change
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90 day change
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365 day change
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Concurrent Steam players over time, aggregated per selected range from stored metrics.
Steam reviews
Community sentiment and review volume tracked from the Steam store.
Total reviews
134
Positive
126
Negative
8
Score
94%Very Positive
SteamScope Score
How this title ranks for live activity, momentum, and long-term player retention on Steam.
Steady engagement
Weighted index from live players, growth, retention, and catalogue age
Popularity
Live concurrent player volume
17
Growth
Recent player trend momentum
50
Retention
Peak-to-current player ratio
100
Longevity
Catalogue age and sustained interest
24
24 hour change
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7 day change
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30 day change
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Guide
Zen Aquarium is tracked on SteamScope with live Steam concurrent player data, historical charts, and a SteamScope activity score of 45/100. Search for "Zen Aquarium player count" or "Zen Aquarium steam charts" to monitor how many people are playing right now and how activity compares with past peaks.
Zen Aquarium is developed by Astro Cat, released 25 Sept 2025, a Simulation title. Available on Windows, macOS.
Zen Aquarium currently reports 10 concurrent Steam players with a 24-hour peak of 10 and an all-time peak of 10.
Among tracked Steam titles, Zen Aquarium ranks #10213 of 14,920 by momentum score.
Zen Aquarium has lost momentum recently. Retention sits at 100/100, suggesting fewer players relative to its all-time peak of 10.
Zen Aquarium has 15 Steam achievements tracked on SteamScope.
The average global unlock rate across all achievements is 33%, giving a baseline for overall completion difficulty.
The most common achievement is "First Tank Designer" with a 99.8% unlock rate.
The rarest achievement is "Absolute limit" — only 13.7% of players have unlocked it (Hard).
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Explore
Browse screenshots, patches, requirements, and more without scrolling through everything at once.
Steam Features
Official Steam store feature flags from the Steam API.
Handheld Gaming
Official Steam Deck verification status and test notes from the Steam store.
Deck test results
SteamOS status: Playable
Last checked Aug 3, 2026
Store Details
Steam achievements: 15
Regional ratings
Media
Official Trailer
Updates
System requirements
Minimum and recommended specs from the Steam store listing.
Minimum
Recommended
Minimum
Recommended
Languages
Store options
Zen Aquarium - 4,99€
Tracked Steam store price snapshots over time.
Zen Aquarium is currently €4.99 on Steam. The lowest tracked store price is €4.99 (recorded Aug 3, 2026).
Track store-wide deals on the Steam sales, historical low prices, and recent price drops pages. Browse games under $10, free Steam games, or budget picks under $5.
How this game's Steam Charts position has changed over time.
How Steam review score and volume have changed over time.
Zen Aquarium has 94% Steam reviews across 134 user reviews. Steam labels this as "Very Positive".
Intelligence
Patch notes, discounts, and player spikes surfaced from stored Steam metrics.
Large concurrent player increase in stored metrics.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Achievements
This game
33% avg unlock
40 peer games
14.8% median
Comparison
Easier than peers
Achievements
15 standard · Updated 20h ago
33%
average global unlock
Most Common
First Tank Designer
99.8% unlock rate
Rarest Achievement
Absolute limit
13.7% unlock rate
ACH_FIRST_AQUARIUM_STARTED
99.8%
global unlock
Your first aquarium is ready for fish!
ACH_PLACE_10_FISH_ONE_AQUARIUM
67.6%
global unlock
Placed 10 fish in one tank. It's a start!
ACH_PLACE_20_FISH_ONE_AQUARIUM
52.2%
global unlock
20 fish in one tank! The water is literally boiling with activity
ACH_COLLECT_ALL_LEGENDARY_BANNERFISH
26.9%
global unlock
"Black-Yellow and Yellow? These Bannerfish are the stuff of legends—and now, they're yours!
ACH_COLLECT_ALL_LEGENDARY_ANGELFISH
26.8%
global unlock
Flame and Juvenile Angelfish? Even Poseidon would be jealous!
ACH_COLLECT_ALL_LEGENDARY_CLOWNFISH
26.5%
global unlock
Cow-patterned and Ladybug Clownfish? The ocean's rarest jokers now answer to you!
ACH_COLLECT_ALL_LEGENDARY_TANG
26.4%
global unlock
Powder Blue and Purple Tangs—the crown jewels of any aquarium—are finally in your hands!
ACH_PLACE_50_FISH_ONE_AQUARIUM
26.4%
global unlock
50 fish in one tank! There must be a record somewhere around here
ACH_COLLECT_ALL_BANNERFISH
23.7%
global unlock
You've caught every type of Bannerfish! From common stripes to rare beauties, your collection is complete
ACH_COLLECT_ALL_ANGELFISH
23.5%
global unlock
Every majestic Angelfish now swims under your care. Royalty recognizes royalty!
ACH_COLLECT_ALL_CLOWNFISH
23.3%
global unlock
From classic to cow-patterned, your Clownfish family is complete. Now that's no laughing matter!
ACH_COLLECT_ALL_TANG
23.2%
global unlock
Blue, Yellow, Powder, Purple—your Tang collection is a rainbow of aquatic perfection!
ACH_COLLECT_ALL_LEGENDARY_BUTTERFLY
17.9%
global unlock
Blue and orange butterflyfish are yours at last. A rare find for any aquarist!
ACH_COLLECT_ALL_BUTTERFLY
15.6%
global unlock
Your Butterflyfish set is complete! A true collector at heart.
ACH_PLACE_100_FISH_ONE_AQUARIUM
13.7%
global unlock
100 fish in one tank! There's simply nowhere else to put them
