Games like Parametric Engine
Games like Parametric Engine include PowerWash Simulator, Slime Rancher 2, DrainSim, PowerWash Simulator 2, and SpaceEngine. We matched them by the tags players give Parametric Engine on Steam (Simulation, Casual, Sandbox, 3D, and Relaxing): closest matches first, and among equally close ones the better-known games.

PowerWash Simulator
Shared: Casual · Simulation · Relaxing

Slime Rancher 2
Shared: Relaxing · Simulation · Open World

DrainSim
Shared: Simulation · Casual · Sandbox

PowerWash Simulator 2
Shared: Casual · Simulation · Relaxing

SpaceEngine
Shared: Casual · Sandbox · Open World

Slime Rancher
Shared: First-Person · Open World · Simulation

PC Building Simulator
Shared: Simulation · Sandbox · 3D

House Flipper
Shared: Simulation · Sandbox · Casual

Garry's Mod
Shared: Sandbox · Casual · Simulation

Train Simulator Classic
Shared: Simulation · Casual · Relaxing

Goat Simulator
Shared: Simulation · Sandbox · Casual

Townscaper
Shared: Sandbox · Relaxing · Casual

Low-Budget Repairs
Shared: Simulation · Casual · Relaxing

Stardew Valley
Shared: Simulation · Relaxing · Sandbox

Internet Cafe Simulator 2
Shared: Simulation · 3D · Sandbox

Planet Coaster
Shared: Simulation · Sandbox · Relaxing

Goat Simulator 3
Shared: Sandbox · Simulation · 3D

Finnish Cottage Simulator
Shared: Simulation · 3D · First-Person

My Dream Setup
Shared: Simulation · Sandbox · Relaxing

CarX Drift Racing Online
Shared: Simulation · Sandbox · Relaxing

SPORE™
Shared: Sandbox · Simulation · Open World

Dorfromantik
Shared: Casual · Relaxing · Sandbox

SUMMERHOUSE
Shared: Sandbox · Casual · Relaxing

SuchArt: Genius Artist Simulator
Shared: Sandbox · 3D · First-Person

