Games like Streetoir
Games like Streetoir include Totally Accurate Battle Simulator, Slime Rancher, Goat Simulator, Garry's Mod, and Internet Cafe Simulator 2. We matched them by the tags players give Streetoir on Steam (Sandbox, Simulation, Funny, Stylized, and Dark Humor): closest matches first, and among equally close ones the better-known games.

Totally Accurate Battle Simulator
Shared: Sandbox · Simulation · Funny

Slime Rancher
Shared: Exploration · Sandbox · Funny

Goat Simulator
Shared: Simulation · Funny · Sandbox

Garry's Mod
Shared: Sandbox · Funny · Simulation

Internet Cafe Simulator 2
Shared: Simulation · Sandbox · Exploration

POSTAL 2
Shared: Dark Humor · Funny · Sandbox

Who's Your Daddy?!
Shared: Funny · Simulation · Dark Humor

PowerWash Simulator
Shared: Simulation · Sandbox · 3D

鬼谷八荒 Tale of Immortal
Shared: Simulation · Sandbox · Choose Your Own Adventure

Fun with Ragdolls: The Game
Shared: Sandbox · Funny · Simulation

Ultimate Epic Battle Simulator 2
Shared: Sandbox · Simulation · Choose Your Own Adventure

SPORE™
Shared: Sandbox · Simulation · Exploration

Out of Ore
Shared: Sandbox · Simulation · Exploration

Planet Coaster
Shared: Simulation · Sandbox · Funny

Fireworks Mania - An Explosive Simulator
Shared: Sandbox · Funny · Exploration

People Playground
Shared: Sandbox · Simulation · Funny

Bum Simulator
Shared: Simulation · Funny · Sandbox

Little Kitty, Big City
Shared: Sandbox · Exploration · Funny

Thief Simulator
Shared: Simulation · Sandbox · First-Person

Turbo Dismount® 2
Shared: Simulation · Funny · Sandbox

Goat Simulator 3
Shared: Sandbox · Simulation · Exploration

Mon Bazou
Shared: Sandbox · Choose Your Own Adventure · Exploration

Wobbly Life
Shared: Sandbox · Simulation · Funny

Crime Scene Cleaner
Shared: Simulation · Funny · First-Person