Games like Signal Zero
Games like Signal Zero include The Sims™ 4, The Sims™ 3, Potion Craft: Alchemist Simulator, The Coin Game, and Chinese Parents. We matched them by the tags players give Signal Zero on Steam (Simulation, Casual, Arcade, Life Sim, and 2D): closest matches first, and among equally close ones the better-known games.

The Sims™ 4
Shared: Life Sim · Simulation · Singleplayer

The Sims™ 3
Shared: Simulation · Life Sim · Casual

Potion Craft: Alchemist Simulator
Shared: Simulation · Singleplayer · 2D

The Coin Game
Shared: Arcade · Casual · Life Sim

Chinese Parents
Shared: Simulation · Life Sim · Casual

Stardew Valley
Shared: Life Sim · Simulation · Casual

Game Dev Tycoon
Shared: Simulation · Casual · Singleplayer

Streamer Life Simulator
Shared: Simulation · Casual · Life Sim

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Casual · 2D

My Time at Portia
Shared: Life Sim · Simulation · Casual

Nodebuster
Shared: Casual · Simulation · Arcade

Shelldiver
Shared: Casual · Arcade · Simulation

BidKing
Shared: Casual · Simulation · Life Sim

Youtubers Life
Shared: Life Sim · Casual · Simulation

Peggle Deluxe
Shared: Casual · Arcade · Singleplayer

Shawarma Legend
Shared: Simulation · Life Sim · 2D

Russian Life Simulator
Shared: Simulation · 2D · Singleplayer

Internet Cafe Simulator 2
Shared: Simulation · Life Sim · Arcade

Paralives
Shared: Simulation · Life Sim · Singleplayer

Plague Inc: Evolved
Shared: Simulation · Casual · Singleplayer

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

Supermarket Simulator
Shared: Simulation · Singleplayer · Life Sim

Organized Inside
Shared: Simulation · Casual · Life Sim

inZOI
Shared: Simulation · Life Sim · Singleplayer