Games like Dead Matter
Games like Dead Matter include Project Zomboid, DayZ, 7 Days to Die, Rust, and Left 4 Dead 2. We matched them by the tags players give Dead Matter on Steam (Multiplayer, Early Access, Zombies, Open World, and Survival): closest matches first, and among equally close ones the better-known games.

Project Zomboid
Shared: Zombies · Multiplayer · Survival

DayZ
Shared: Zombies · Open World · Multiplayer

7 Days to Die
Shared: Multiplayer · Zombies · Survival

Rust
Shared: Multiplayer · Survival · Open World

Left 4 Dead 2
Shared: Zombies · Multiplayer · Co-op

Miscreated
Shared: Multiplayer · Open World · Survival

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Survival · Action

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

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

Raft
Shared: Multiplayer · Survival · Open World

Once Human
Shared: Multiplayer · Open World · Survival

ARK: Survival Evolved
Shared: Multiplayer · Survival · Open World

VEIN
Shared: Zombies · Open World · Multiplayer

Dying Light
Shared: Zombies · Open World · Survival

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

Terraria
Shared: Multiplayer · Survival · Sandbox

Far Cry 3
Shared: Open World · Multiplayer · Action

Left 4 Dead
Shared: Multiplayer · Zombies · Co-op

Far Cry® New Dawn
Shared: Multiplayer · Open World · Action

Far Cry® 4
Shared: Open World · Multiplayer · Action

Days Gone
Shared: Zombies · Open World · Multiplayer

Scrap Mechanic
Shared: Multiplayer · Survival · Open World

Palworld
Shared: Multiplayer · Open World · Survival

The Isle
Shared: Multiplayer · Open World · Survival