Games like Soluna's Mood
Games like Soluna's Mood include Spirit City: Lofi Sessions, Ropuka's Idle Island, Tiny Pasture, How to Train Your Cock, and Shelldiver. We matched them by the tags players give Soluna's Mood on Steam (Desktop Companion, Idler, Cute, Relaxing, and Cozy): closest matches first, and among equally close ones the better-known games.

Spirit City: Lofi Sessions
Shared: Desktop Companion · Cozy · Relaxing

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

Tiny Pasture
Shared: Idler · Cute · Desktop Companion

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

Shelldiver
Shared: Idler · Casual · Incremental

Cornerpond
Shared: Desktop Companion · Idler · Relaxing

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

Mini Cozy Room: Lo-Fi
Shared: Idler · Cozy · Relaxing

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

Cast n Chill
Shared: Idler · Relaxing · Cozy

Cookie Clicker
Shared: Idler · Casual · Incremental

Keep on Mining!
Shared: Idler · Relaxing · Casual

MyVoiceZoo
Shared: Casual · Cute · Idler

Nodebuster
Shared: Idler · Casual · Incremental

Digseum
Shared: Idler · Casual · Relaxing

A Game About Feeding A Black Hole
Shared: Relaxing · Idler · Casual

Lakeside Bar
Shared: Desktop Companion · Idler · Cozy

Minami Lane
Shared: Cute · Relaxing · Casual

Leaf it Alone
Shared: Relaxing · Cozy · Casual

Is This Seat Taken?
Shared: Cute · Relaxing · Casual

Sticky Business
Shared: Relaxing · Cute · Casual

Slime Rancher 2
Shared: Cute · Relaxing · Casual

Tiny Glade
Shared: Relaxing · Cozy · Cute

Garden Galaxy
Shared: Idler · Cute · Cozy