Ultraquarium
Fusionnist · 2026 · Casual, Simulation, Sandbox, Idler, 2D
PC
Best price
Free
This game is free to play.
About Ultraquarium
ULTRAQUARIUM is a casual aquarium sim that lets you create your own fish and decorations. Purchase fish, satisfy their needs and they shall repay you in kind. Want two Gregs? You can't have two Gregs.