Games like Cozy Littlequarium
Games like Cozy Littlequarium include Cast n Chill, Tiny Pasture, Spirit City: Lofi Sessions, Cornerpond, and Maltese's Fluffy Onsen. We matched them by the tags players give Cozy Littlequarium on Steam (Simulation, Creature Collector, Desktop Companion, Cozy, and Cute): closest matches first, and among equally close ones the better-known games.

Cast n Chill
Shared: Creature Collector · Cozy · Idler

Tiny Pasture
Shared: Cute · Idler · Creature Collector

Spirit City: Lofi Sessions
Shared: Desktop Companion · Cozy · Creature Collector

Cornerpond
Shared: Desktop Companion · Simulation · Creature Collector

Maltese's Fluffy Onsen
Shared: Simulation · Desktop Companion · Cute

Birdwatching Notebook
Shared: Creature Collector · Desktop Companion · Idler

Unpacking
Shared: Cute · Relaxing · Casual

Slime Rancher 2
Shared: Cute · Creature Collector · Relaxing

Rusty's Retirement
Shared: Desktop Companion · Simulation · Idler

Ropuka's Idle Island
Shared: Desktop Companion · Cozy · Idler

How to Train Your Cock
Shared: Desktop Companion · Idler · Cozy

Mushroom Nook
Shared: Desktop Companion · Creature Collector · Idler

Kabuto Park
Shared: Creature Collector · Cozy · Casual

Chillquarium
Shared: Creature Collector · Idler · Cozy

Sticky Business
Shared: Simulation · Casual · Cute

Creature Kitchen
Shared: Creature Collector · Cozy · Cute

Fish to Dish: Idle Sushi
Shared: Desktop Companion · Creature Collector · Idler

Digseum
Shared: Simulation · Idler · Casual

Click the Button
Shared: Simulation · Casual · Idler

Lakeside Bar
Shared: Desktop Companion · Cozy · Idler

Fantasy Aquarium
Shared: Idler · Casual · Cute

Shelldiver
Shared: Casual · Simulation · Idler

MyVoiceZoo
Shared: Simulation · Creature Collector · Casual

Tiny Glade
Shared: Cozy · Relaxing · Cute