Games like Survive the Nights
Games like Survive the Nights include DayZ, Left 4 Dead 2, 7 Days to Die, Project Zomboid, and PUBG: BATTLEGROUNDS. We matched them by the tags players give Survive the Nights on Steam (Zombies, Multiplayer, Survival, Sandbox, and Post-apocalyptic): closest matches first, and among equally close ones the better-known games.

DayZ
Shared: Zombies · Survival · Multiplayer

Left 4 Dead 2
Shared: Zombies · Multiplayer · Survival

7 Days to Die
Shared: Zombies · Survival · Multiplayer

Project Zomboid
Shared: Zombies · Survival · Multiplayer

PUBG: BATTLEGROUNDS
Shared: Survival · Multiplayer · Shooter

Rust
Shared: Survival · Multiplayer · Sandbox

Left 4 Dead
Shared: Zombies · Multiplayer · Survival

Killing Floor 2
Shared: Zombies · Multiplayer · Post-apocalyptic

Don't Starve Together
Shared: Survival · Multiplayer · Sandbox

Terraria
Shared: Survival · Multiplayer · Sandbox

ARC Raiders
Shared: Multiplayer · Survival · Post-apocalyptic

Miscreated
Shared: Survival · Multiplayer · Zombies

No More Room in Hell 2
Shared: Zombies · Multiplayer · Survival

Back 4 Blood
Shared: Zombies · Multiplayer · Shooter

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

Dying Light
Shared: Zombies · Survival · Multiplayer

Deadside
Shared: Survival · Multiplayer · Post-apocalyptic

DeadPoly
Shared: Zombies · Survival · Multiplayer

CastleMiner Z
Shared: Zombies · Survival · Multiplayer

Raft
Shared: Multiplayer · Survival · Sandbox

Far Cry 3
Shared: Multiplayer · Adventure · FPS

Tom Clancy’s The Division™
Shared: Multiplayer · Looter Shooter · Survival

Arma 3
Shared: Multiplayer · Realistic · Shooter

Generation Zero®
Shared: Survival · Multiplayer · Post-apocalyptic