Games like The Waiting Room - An Existential Simulation
Games like The Waiting Room - An Existential Simulation include PC Building Simulator, Streamer Life Simulator 2, Supermarket Simulator, My Winter Car, and Internet Cafe Simulator 2. We matched them by the tags players give The Waiting Room - An Existential Simulation on Steam (Simulation, Life Sim, Walking Simulator, Immersive Sim, and Idler): closest matches first, and among equally close ones the better-known games.

PC Building Simulator
Shared: Simulation · Immersive Sim · Life Sim

Streamer Life Simulator 2
Shared: Simulation · Life Sim · Immersive Sim

Supermarket Simulator
Shared: Simulation · Life Sim · Immersive Sim

My Winter Car
Shared: Simulation · Life Sim · First-Person

Internet Cafe Simulator 2
Shared: Simulation · 3D · Life Sim

Electrician Simulator
Shared: Simulation · Immersive Sim · Life Sim

Car Dealer Simulator
Shared: Simulation · Life Sim · Immersive Sim

The Cabin Factory
Shared: Walking Simulator · Immersive Sim · Simulation

Parcel Simulator
Shared: Simulation · Immersive Sim · First-Person

The Boba Teashop
Shared: Simulation · Walking Simulator · First-Person

The Exit 8
Shared: Walking Simulator · Immersive Sim · First-Person

Car For Sale Simulator
Shared: Simulation · Immersive Sim · Life Sim

Quarantine Zone: The Last Check
Shared: Simulation · First-Person · 3D

G.O.P.O.T.A
Shared: Life Sim · First-Person · Walking Simulator

Prison Escape Simulator: Dig Out
Shared: Simulation · 3D · First-Person

Kiosk
Shared: Immersive Sim · Simulation · First-Person

Old Market Simulator
Shared: Simulation · Life Sim · Immersive Sim

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

IRON NEST: Heavy Turret Simulator
Shared: Simulation · 3D · Immersive Sim

HELLMART
Shared: Simulation · Life Sim · Immersive Sim

Car Dealership Simulator 2
Shared: Simulation · Life Sim · Immersive Sim

PowerWash Simulator
Shared: Simulation · 3D · First-Person

Streamer Life Simulator
Shared: Simulation · Life Sim · First-Person

Card Shop Simulator Multiplayer
Shared: Simulation · Life Sim · Immersive Sim