Games like Goat Simulator: GoatZ
Games like Goat Simulator: GoatZ include Project Zomboid, Don't Starve Together, 7 Days to Die, Goat Simulator, and The Forest. We matched them by the tags players give Goat Simulator: GoatZ on Steam (Simulation, Zombies, Indie, Casual, and Funny): closest matches first, and among equally close ones the better-known games.

Project Zomboid
Shared: Zombies · Survival · Open World

Don't Starve Together
Shared: Survival · Open World · Multiplayer

7 Days to Die
Shared: Zombies · Survival · Open World

Goat Simulator
Shared: Simulation · Funny · Open World

The Forest
Shared: Survival · Open World · Horror

Wobbly Life
Shared: Simulation · Open World · Multiplayer

Days Gone
Shared: Zombies · Open World · Survival

Sons Of The Forest
Shared: Survival · Open World · Multiplayer

DayZ
Shared: Zombies · Survival · Open World

Feed and Grow: Fish
Shared: Simulation · Survival · Indie

The Isle
Shared: Simulation · Survival · Open World

Garry's Mod
Shared: Funny · Casual · Multiplayer

Grand Theft Auto V Legacy
Shared: Open World · Multiplayer · Action

Rust
Shared: Survival · Open World · Multiplayer

Plague Inc: Evolved
Shared: Simulation · Indie · Zombies

Scrap Mechanic
Shared: Survival · Open World · Multiplayer

Dying Light
Shared: Zombies · Horror · Open World

Don't Starve
Shared: Survival · Indie · Adventure

Palworld
Shared: Survival · Open World · Indie

DEAD RISING®
Shared: Zombies · Open World · Survival

Gang Beasts
Shared: Funny · Multiplayer · Casual

Green Hell
Shared: Survival · Open World · Multiplayer

Bum Simulator
Shared: Simulation · Survival · Funny

Tower Unite
Shared: Casual · Multiplayer · Indie