Games like Too Many Orbs!
Games like Too Many Orbs! include Librarian: Tidy Up the Arcane Library!, Unpacking, Crime Scene Cleaner, House Flipper, and Slime Rancher 2. We matched them by the tags players give Too Many Orbs! on Steam (Relaxing, Simulation, Organizing, Casual, and Collectathon): closest matches first, and among equally close ones the better-known games.

Librarian: Tidy Up the Arcane Library!
Shared: Relaxing · Organizing · Collectathon

Unpacking
Shared: Relaxing · Casual · Organizing

Crime Scene Cleaner
Shared: Simulation · Relaxing · Singleplayer

House Flipper
Shared: Simulation · Relaxing · Singleplayer

Slime Rancher 2
Shared: Relaxing · Singleplayer · Simulation

DinoBones: Tidy Up the Museum
Shared: Relaxing · Organizing · Simulation

Supermarket Chaos
Shared: Relaxing · Organizing · Collectathon

ABZU
Shared: Relaxing · Exploration · Atmospheric

Whisper of the House
Shared: Relaxing · Organizing · Casual

Cellar Keeper
Shared: Relaxing · Organizing · Simulation

Shelves and Sorcery: Tidy Up the Enchanted Shop
Shared: Relaxing · Organizing · Collectathon

Wand & Order: Tidy up the magic shop!
Shared: Relaxing · Organizing · Simulation

A Little to the Left
Shared: Relaxing · Organizing · Casual

DAVE THE DIVER
Shared: Relaxing · Casual · Singleplayer

Slime Rancher
Shared: Exploration · Singleplayer · Simulation

Shelve the Potions!
Shared: Relaxing · Organizing · Casual

Disney Dreamlight Valley
Shared: Relaxing · Simulation · Exploration

Leaf it Alone
Shared: Relaxing · Simulation · Casual

PowerWash Simulator
Shared: Relaxing · Casual · Simulation

Mountain
Shared: Simulation · Relaxing · Casual

House Flipper 2
Shared: Relaxing · Casual · Simulation

Barn Finders
Shared: Simulation · Casual · Singleplayer

Mini Motorways
Shared: Simulation · Casual · Relaxing

The Witness
Shared: Exploration · Singleplayer · First-Person