Games like State of Decay - Breakdown
Games like State of Decay - Breakdown include Project Zomboid, State of Decay: YOSE, Days Gone, Dying Light, and 7 Days to Die. We matched them by the tags players give State of Decay - Breakdown on Steam (Zombies, Action, RPG, Simulation, and Survival): closest matches first, and among equally close ones the better-known games.

Project Zomboid
Shared: Zombies · Survival · Open World

State of Decay: YOSE
Shared: Zombies · Survival · Open World

Days Gone
Shared: Zombies · Open World · Survival

Dying Light
Shared: Zombies · Open World · Survival Horror

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

DayZ
Shared: Zombies · Survival · Open World

Monster Hunter: World
Shared: Action · RPG · Multiplayer

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

Resident Evil 2
Shared: Zombies · Action · Survival Horror

Once Human
Shared: Action · Open World · Survival

Mount & Blade II: Bannerlord
Shared: RPG · Open World · Action

Left 4 Dead 2
Shared: Zombies · Action · Multiplayer

ELDEN RING
Shared: RPG · Open World · Multiplayer

Resident Evil 3
Shared: Zombies · Action · Multiplayer

How to Survive
Shared: Zombies · Survival · Action

The Isle
Shared: Survival · Simulation · Open World

VEIN
Shared: Zombies · Survival · Open World

Resident Evil 4
Shared: Action · Zombies · Survival Horror

How to Survive 2
Shared: Zombies · Survival · Multiplayer

Miscreated
Shared: Zombies · Survival · Open World

Rust
Shared: Survival · Open World · Multiplayer

Dying Light: The Beast
Shared: Zombies · Open World · Action

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

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