Games like Sep's Diner
Games like Sep's Diner include Garry's Mod, Two Point Hospital, Totally Accurate Battle Simulator, Cooking Simulator, and Kebab Chefs! - Restaurant Simulator. We matched them by the tags players give Sep's Diner on Steam (Simulation, Sandbox, Management, Time Management, and Comedy): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Sandbox · Physics · Funny

Two Point Hospital
Shared: Simulation · Management · Sandbox

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Funny

Cooking Simulator
Shared: Simulation · Sandbox · Funny

Kebab Chefs! - Restaurant Simulator
Shared: Simulation · Management · Sandbox

Planet Coaster
Shared: Simulation · Management · Sandbox

Goat Simulator
Shared: Simulation · Sandbox · Comedy

Cities: Skylines
Shared: Simulation · Management · Sandbox

People Playground
Shared: Sandbox · Simulation · Physics

Hot Dogs, Horseshoes & Hand Grenades
Shared: Sandbox · VR · Simulation

Waterpark Simulator
Shared: Simulation · Management · Sandbox

Kerbal Space Program
Shared: Simulation · Sandbox · Physics

Planet Zoo
Shared: Simulation · Management · Sandbox

Cities: Skylines II
Shared: Simulation · Sandbox · Management

Prison Architect
Shared: Simulation · Sandbox · Management

PC Building Simulator
Shared: Simulation · Management · Sandbox

BeamNG.drive
Shared: Simulation · Sandbox · Physics

鬼谷八荒 Tale of Immortal
Shared: Simulation · Management · Sandbox

Two Point Campus
Shared: Simulation · Management · Sandbox

Let's School
Shared: Management · Simulation · Sandbox

Jurassic World Evolution
Shared: Simulation · Management · Sandbox

Tropico 4
Shared: Simulation · Management · Sandbox

Jurassic World Evolution 2
Shared: Simulation · Management · Sandbox

Poly Bridge
Shared: Simulation · Sandbox · Physics