Games like NightZ
Games like NightZ include Rust, Left 4 Dead 2, PUBG: BATTLEGROUNDS, Project Zomboid, and DayZ. We matched them by the tags players give NightZ on Steam (Multiplayer, Zombies, Crafting, Building, and Action): closest matches first, and among equally close ones the better-known games.

Rust
Shared: Multiplayer · Crafting · PvP

Left 4 Dead 2
Shared: Zombies · Multiplayer · FPS

PUBG: BATTLEGROUNDS
Shared: Multiplayer · PvP · Shooter

Project Zomboid
Shared: Zombies · Multiplayer · Crafting

DayZ
Shared: Zombies · Multiplayer · PvP

Once Human
Shared: Multiplayer · Action · Open World

ARK: Survival Evolved
Shared: Multiplayer · Crafting · Building

Terraria
Shared: Multiplayer · Crafting · Building

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

Apex Legends™
Shared: Multiplayer · PvP · FPS

Hurtworld
Shared: Multiplayer · FPS · Crafting

Raft
Shared: Multiplayer · Crafting · Building

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

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

Call of Duty®: Black Ops III
Shared: Multiplayer · Zombies · FPS

Deadside
Shared: PvP · Crafting · Multiplayer

Don't Starve Together
Shared: Multiplayer · Crafting · Co-op

The Forest
Shared: Crafting · Building · Open World

Far Cry 3
Shared: Multiplayer · Action · FPS

Dying Light
Shared: Zombies · Open World · Multiplayer

Miscreated
Shared: Multiplayer · Zombies · Crafting

Halo Infinite
Shared: Multiplayer · FPS · Action

Far Cry® 4
Shared: Multiplayer · Action · FPS

ARK: Survival Ascended
Shared: Multiplayer · Crafting · Building