
Screenshots

Watch trailer on Steam ↗Aquasim
Heaven Machine · Published by Heaven Machine
1 user reviews — 0% positive (1 reviews) · 10 achievements
Last updated 28 Sept 2026
A relaxing desktop aquarium that lives with you: grow, breed, and watch a peaceful ecosystem evolve in real time.
£3.59
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
Price history
Indie, Simulation, Casual · 2026 · More under £5 games
About this game
AquaSim is a cozy, living aquarium that stays with you while you use your computer.

No stress. No pressure. Just a peaceful world quietly evolving on your screen
AquaSim is designed as a desktop companion, something you don’t “play” constantly, but something that lives alongside you.
Study, work, or relax while your fish grow, interact, and create a living ecosystem in real time.
Take care of your aquarium at your own pace:
• Feed your fish and watch them grow
• Clean and maintain water quality
• Decorate your tank with meaningful items
• Discover new species and rare variations
• Observe natural behaviors, interactions, and breeding

Key Features:
Real-Time Simulation
Your aquarium continues evolving even when you're not actively playing.
Breeding
Fish reproduce with variation, creating unique and rare outcomes140+ Decorations
Some objects aren't just visual, they affect oxygen, happiness, and ecosystem balanceBestiary Collection
Track species, discover variants, and complete your aquatic collectionOrganic Progression
No forced missions, it gently rewards curiosity and care.
Perfect for students, developers, designers, streamers, or anyone who wants a living piece of calm on their desktop.
Thank you for checking out AquaSim!
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10
- Processor: Intel Core i3 or equivalent
- Memory: 4 GB RAM
- Graphics: Integrated graphics (Intel HD or better)
- DirectX: Version 11
- Storage: 500 MB available space
- Additional Notes: Optimized for 1080p.
Recommended
- OS: Windows 10 / 11
- Processor: Intel Core i5 or equivalent
- Memory: 8 GB RAM
- Graphics: Dedicated graphics card
- DirectX: Version 11
- Storage: 500 MB available space
- Additional Notes: Optimized for 1080p.
Supported Languages
Latest news
Patch NotesOfficial
1.1.3
Bug Fixes: Fixed issue where certificate wasn't showing up when hitting care milestones Small Visual Updates: Reworked dialog box New Content: Added 5 new fish! Stay tuned, new visual updates are coming soon!Read full article on Community Announcements (heavenmachinecorp)






