Games like Lepidarium
Games like Lepidarium include Spirit City: Lofi Sessions, Chillquarium, Tiny Pasture, Cast n Chill, and Bongo Cat. We matched them by the tags players give Lepidarium on Steam (Creature Collector, Idler, Desktop Companion, Cozy, and Relaxing): closest matches first, and among equally close ones the better-known games.

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

Chillquarium
Shared: Creature Collector · Idler · Collectathon

Tiny Pasture
Shared: Idler · Creature Collector · Incremental

Cast n Chill
Shared: Idler · Relaxing · Creature Collector

Bongo Cat
Shared: Desktop Companion · Idler · Casual

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

Cornerpond
Shared: Idler · Desktop Companion · Creature Collector

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

Cookie Clicker
Shared: Idler · Incremental · Casual

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

Shelldiver
Shared: Incremental · Idler · Casual

Keep on Mining!
Shared: Idler · Incremental · Relaxing

Kabuto Park
Shared: Creature Collector · Cozy · Casual

Digseum
Shared: Idler · Incremental · Casual

Slime Rancher 2
Shared: Relaxing · Creature Collector · Cute

Click the Button
Shared: Idler · Casual · Incremental

Joyquarium
Shared: Creature Collector · Idler · Relaxing

Birdwatching Notebook
Shared: Idler · Creature Collector · Desktop Companion

Lakeside Bar
Shared: Idler · Desktop Companion · Cozy

Chonkers
Shared: Creature Collector · Idler · Cozy

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

Ithya: Magic Studies
Shared: Idler · Desktop Companion · Cozy

Croakoloco
Shared: Creature Collector · Idler · Incremental

Lil Gator Game
Shared: Cozy · Casual · Relaxing