Games like Too Many Toys!
Games like Too Many Toys! include Librarian: Tidy Up the Arcane Library!, PowerWash Simulator, DinoBones: Tidy Up the Museum, Cellar Keeper, and Supermarket Chaos. We matched them by the tags players give Too Many Toys! on Steam (Relaxing, Organizing, Simulation, Collectathon, and Hidden Object): closest matches first, and among equally close ones the better-known games.

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

PowerWash Simulator
Shared: Relaxing · Simulation · Cleaning

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

Cellar Keeper
Shared: Relaxing · Organizing · Collectathon

Supermarket Chaos
Shared: Relaxing · Organizing · Collectathon

Placid Plastic Duck Simulator
Shared: Relaxing · Collectathon · Simulation

House Flipper
Shared: Simulation · Relaxing · Cleaning

Bunker Tidy Up
Shared: Simulation · Collectathon · Casual

Whisper of the House
Shared: Relaxing · Organizing · Hidden Object

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

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

Sort Them Ducks
Shared: Simulation · Organizing · Casual

Unpacking
Shared: Relaxing · Organizing · Casual

Leaf it Alone
Shared: Relaxing · Simulation · Cleaning

Retro Rewind - Video Store Simulator
Shared: Simulation · Relaxing · Shop Keeper

Shelve the Potions!
Shared: Relaxing · Organizing · Collectathon

PowerWash Simulator 2
Shared: Relaxing · Simulation · Cleaning

Crime Scene Cleaner
Shared: Simulation · Relaxing · Cleaning

Museologist: Tidy Up the Museum!
Shared: Relaxing · Organizing · Simulation

Witch Cabin Cleanup
Shared: Simulation · Organizing · Collectathon

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

House Flipper 2
Shared: Relaxing · Simulation · Casual

Black Friday Janitor: Clean the Whole Mall
Shared: Relaxing · Organizing · Simulation

DrainSim
Shared: Relaxing · Simulation · Casual