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walstad loom
A generative pixel-art Walstad aquarium. Plants grow, fish school and breed, shrimp climb stems, snails crawl the glass. Watch a closed nutrient loop settle into equilibrium — chunky pixels, sim depth underneath.

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Features
Single-player
In-App Purchases
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔

Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“The goal of this game is to be an ambient fishtank background with sound and visuals alongside it. I am looking for some additional input on exactly how people want to see that moving forward. Is it more interactive or just "set it and forget it". User input is key there.”

Approximately how long will this game be in Early Access?

“6 months ”

How is the full version planned to differ from the Early Access version?

“I will be looking for users inputs on objects in the tanks, full move to realism or move to more fantasy based ambient tank, ideas on additional background objects, and potential complexity of the evolution concepts in the game. ”

What is the current state of the Early Access version?

“Current game has a range of features:
numerous base tank set-ups
ability to add generative fish creatures and plants
long-term stability and evolution cycles
rendering and viewing options that are enjoyable”

Will the game be priced differently during and after Early Access?

“We're not planning on changing the price when we leave early access”

How are you planning on involving the Community in your development process?

“Yes I would love feedback on what to add, change and focus on
The applications github issues will be closely watched as will the steam community.”
Read more
This game is not yet available on Steam

Planned Release Date: Jul 7, 2026

This game plans to unlock in approximately 11 days

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About This Game

walstad loom is a living tank you watch more than you play. A 3D voxel aquascape runs through a palette-quantize shader so everything reads as pixel art, while plants, fish, shrimp, and snails interact in a Walstad-style food web underneath.

Stock a preset or build your own mix. Feed the tank, follow a creature, take photos, timelapse a bloom crash. The ecosystem self-balances over a few minutes — algae spikes when nutrients run hot, snails and shrimp graze it back, fry hide in the stems.

Early access, very open to feedback and making this the best lofi-background aquarium experience possible.

Features

  • Generative Walstad ecosystem — plants, fish, shrimp, snails in a closed nutrient loop

  • Pixel-art look from a live 3D sim — palette-quantized voxel tank

  • Stock presets or build your own mix

  • Feed creatures, follow individuals, take photos, timelapse bloom cycles

  • Relaxing sandbox — watch equilibrium settle over minutes

System Requirements

Windows
macOS
SteamOS + Linux
    Minimum:
    • OS: Windows 10 64-bit
    • Processor: Dual-core 2 GHz
    • Memory: 4 MB RAM
    • Graphics: OpenGL 3.3 / Vulkan-capable GPU
    • Storage: 200 MB available space
    Recommended:
    • OS: Windows 10 64-bit
    • Processor: Quad-core 2.5 GHz
    • Memory: 8 MB RAM
    • Graphics: Dedicated GPU with 2 GB VRAM
    Minimum:
    • OS: macOS 11 (Big Sur)
    • Processor: Apple M1 or Intel Dual-core 2 GHz
    • Memory: 4 MB RAM
    • Graphics: Metal-capable GPU
    Recommended:
    • OS: macOS 13 or newer
    • Processor: Apple M1 or newer
    • Memory: 8 MB RAM
* Starting February 15, 2024, the Steam Client will no longer support 32-bit games or macOS 10.14 or lower.
    Minimum:
    • OS: Ubuntu 22.04 or equivalent
    • Processor: Dual-core 2 GHz
    • Memory: 4 MB RAM
    • Graphics: OpenGL 3.3 / Vulkan-capable GPU
    • Storage: 200 MB available space
    Recommended:
    • Memory: 8 MB RAM
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