Aquasim

Aquasim

Heaven Machine · 2026 · Simulation, Life Sim, Sandbox, Idler, Immersive Sim

PC
This game is free to play. Get it on Steam →

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About Aquasim

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 SimulationYour aquarium continues evolving even when you're not actively playing.
  • Breeding
    Fish reproduce with variation, creating unique and rare outcomes
  • 140+ Decorations
    Some objects aren't just visual,  they affect oxygen, happiness, and ecosystem balance
  • Bestiary Collection
    Track species, discover variants, and complete your aquatic collection
  • Organic 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!

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