Games like Calculator and monsters
Games like Calculator and monsters include OMSI 2: Steam Edition, Slime Rancher 2, Car Dealer Simulator, Game Dev Tycoon, and American Truck Simulator. We matched them by the tags players give Calculator and monsters on Steam (Simulation, Automobile Sim, Creature Collector, 2D, and Family Friendly): closest matches first, and among equally close ones the better-known games.

OMSI 2: Steam Edition
Shared: Simulation · Automobile Sim · Singleplayer

Slime Rancher 2
Shared: Creature Collector · Simulation · Singleplayer

Car Dealer Simulator
Shared: Simulation · Automobile Sim · Singleplayer

Game Dev Tycoon
Shared: Simulation · Casual · 2D

American Truck Simulator
Shared: Automobile Sim · Simulation · Singleplayer

City Car Driving
Shared: Simulation · Automobile Sim · Singleplayer

My Summer Car
Shared: Simulation · Automobile Sim · Singleplayer

MyVoiceZoo
Shared: Simulation · Creature Collector · Casual

Euro Truck Simulator 2
Shared: Simulation · Automobile Sim · Family Friendly

Car Mechanic Simulator 2015
Shared: Simulation · Automobile Sim · Singleplayer

BeamNG.drive
Shared: Simulation · Automobile Sim · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Casual · 2D · Singleplayer

Car Mechanic Simulator 2018
Shared: Simulation · Automobile Sim · Singleplayer

Potion Craft: Alchemist Simulator
Shared: Simulation · Singleplayer · 2D

Fernbus Simulator
Shared: Simulation · Automobile Sim · Singleplayer

My Suika – Kyo’s Fruit Merge
Shared: Simulation · Casual · Family Friendly

Russian Life Simulator
Shared: Simulation · 2D · Singleplayer

Car Mechanic Simulator 2021
Shared: Simulation · Automobile Sim · Singleplayer

Plague Inc: Evolved
Shared: Simulation · Singleplayer · Casual

Assetto Corsa
Shared: Automobile Sim · Simulation · Singleplayer

Bloons TD 6
Shared: Family Friendly · Singleplayer · Casual

TramSim Vienna - The Tram Simulator
Shared: Simulation · Automobile Sim · Casual

DiRT Rally 2.0
Shared: Automobile Sim · Simulation · Singleplayer

Drift86
Shared: Automobile Sim · Simulation · Casual