Games like The Tool
Games like The Tool include Librarian: Tidy Up the Arcane Library!, Unpacking, Mountain, Townscaper, and Moncage. We matched them by the tags players give The Tool on Steam (Casual, Simulation, Experimental, Puzzle, and Relaxing): closest matches first, and among equally close ones the better-known games.

Librarian: Tidy Up the Arcane Library!
Shared: Relaxing · Casual · Puzzle

Unpacking
Shared: Casual · Relaxing · Puzzle

Mountain
Shared: Simulation · Casual · Relaxing

Townscaper
Shared: Experimental · Relaxing · Casual

Moncage
Shared: Casual · Puzzle · Experimental

Mini Motorways
Shared: Simulation · Casual · Puzzle

Zup! S
Shared: Casual · Puzzle · Relaxing

Placid Plastic Duck Simulator
Shared: Casual · Relaxing · Simulation

PowerWash Simulator
Shared: Casual · Simulation · Relaxing

Pixel Puzzles: Japan
Shared: Casual · Puzzle · Simulation

House Flipper
Shared: Simulation · Casual · Relaxing

Dorfromantik
Shared: Casual · Puzzle · Relaxing

DrainSim
Shared: Casual · Simulation · Relaxing

Hozy
Shared: Casual · Relaxing · Puzzle

Assemble with Care
Shared: Casual · Puzzle · Relaxing

PC Building Simulator
Shared: Simulation · Education · 3D

The Sims™ 4
Shared: Simulation · Free to Play · Casual

Glass Masquerade
Shared: Casual · Puzzle · Relaxing

Sticky Business
Shared: Casual · Simulation · Relaxing

Cloud Gardens
Shared: Experimental · Casual · Relaxing

Sizeable
Shared: Casual · Puzzle · Relaxing

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

Papers, Please
Shared: Simulation · Puzzle · Indie

Mini Metro
Shared: Simulation · Puzzle · Casual