Games like Primordial Soup
Games like Primordial Soup include Garry's Mod, PowerWash Simulator, DrainSim, Totally Accurate Battle Simulator, and Slime Rancher. We matched them by the tags players give Primordial Soup on Steam (Casual, Simulation, Sandbox, Colorful, and First-Person): closest matches first, and among equally close ones the better-known games.
Garry's Mod
Shared: Sandbox · Casual · Physics
PowerWash Simulator
Shared: Casual · Simulation · First-Person
DrainSim
Shared: Casual · Simulation · Sandbox
Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Physics
Slime Rancher
Shared: First-Person · Colorful · Sandbox
Slime Rancher 2
Shared: Colorful · First-Person · Simulation
House Flipper
Shared: Simulation · Casual · Sandbox
SUMMERHOUSE
Shared: Sandbox · Casual · Colorful
Hozy
Shared: Casual · Sandbox · Simulation
Goat Simulator
Shared: Simulation · Sandbox · Casual
Cooking Simulator
Shared: Simulation · Sandbox · Singleplayer
PowerWash Simulator 2
Shared: Casual · Simulation · Sandbox
Townscaper
Shared: Sandbox · Casual · Simulation
Equilinox
Shared: Simulation · Casual · Sandbox
People Playground
Shared: Sandbox · Physics · Simulation
Barn Finders
Shared: Casual · Simulation · Sandbox
Leaf it Alone
Shared: Simulation · Casual · First-Person
Planet Coaster
Shared: Simulation · Sandbox · Singleplayer
Tiny Glade
Shared: Sandbox · Casual · Relaxing
My Dream Setup
Shared: Simulation · Casual · Sandbox
BeamNG.drive
Shared: Simulation · Sandbox · Physics
Teardown
Shared: Sandbox · Physics · First-Person
Universe Sandbox
Shared: Simulation · Sandbox · Physics
PC Building Simulator
Shared: Simulation · Sandbox · First-Person