Games like Mushroom Nook
Games like Mushroom Nook include Tiny Pasture, Cast n Chill, Spirit City: Lofi Sessions, Tiny Glade, and Stardew Valley. We matched them by the tags players give Mushroom Nook on Steam (Desktop Companion, Idler, Creature Collector, Casual, and Sandbox): closest matches first, and among equally close ones the better-known games.

Tiny Pasture
Shared: Idler · Casual · Creature Collector

Cast n Chill
Shared: Idler · Relaxing · Creature Collector

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

Tiny Glade
Shared: Relaxing · Building · Sandbox

Stardew Valley
Shared: Pixel Graphics · Relaxing · Sandbox

Birdwatching Notebook
Shared: Idler · Desktop Companion · Creature Collector

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

Maltese's Fluffy Onsen
Shared: Desktop Companion · Idler · Casual

Cornerpond
Shared: Desktop Companion · Idler · Creature Collector

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

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

MyVoiceZoo
Shared: Casual · Creature Collector · Idler

My Dream Setup
Shared: Relaxing · Building · Sandbox

Townscaper
Shared: Relaxing · Sandbox · Casual

Garden Galaxy
Shared: Idler · Sandbox · Relaxing

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

SUMMERHOUSE
Shared: Sandbox · Casual · Relaxing

Slime Rancher 2
Shared: Relaxing · Creature Collector · Casual

Creature Kitchen
Shared: Creature Collector · Relaxing · Cozy

Unpacking
Shared: Casual · Relaxing · Pixel Graphics

Megaquarium
Shared: Casual · Sandbox · Creature Collector

Garry's Mod
Shared: Sandbox · Casual · Building

Kabuto Park
Shared: Creature Collector · Casual · Nature

House Flipper
Shared: Relaxing · Building · Sandbox