Desktank
A cozy idle aquarium that lives on top of your screen. Watch fish swim, grow, and interact while you work or relax. Desktank turns your desktop into a peaceful underwater world — float it in the corner or let it take over the whole screen. Just sit back and enjoy the calm.
Where to get it
Free on Steam
Content
Media
Details
About this game
Desktank is a cozy idle aquarium that lives right on your desktop.
Inspired by the charm of idle games like Rusty’s Retirement, Desktank brings a peaceful underwater world to your screen — whether you’re working, browsing, or just taking a break.
You decide how you want to experience it:
🖥️ Keep it tucked in the corner like a cute screen companion,
🌊 Or let it float freely across your whole desktop for a full aquarium takeover.
🐟 Features:
Idle Aquarium Gameplay – Fish swim, grow, and interact while you focus on other things.
Desktop Integration – Always-on-top mode lets your tank float over your workspace.
Customize Your Fish – Change fish colors and styles to create your perfect underwater vibe.
Dynamic Ecosystem – Watch your tank come alive with fish behaviors and interactions.
Peaceful & Non-Intrusive – No stress, no pressure — just ambient chill.
Fully Customizable View – Resize, position, and theme your aquarium to match your mood.
