Games like '1st Core: The Zombie Killing Cyborg'
Games like '1st Core: The Zombie Killing Cyborg' include Left 4 Dead 2, Call of Duty®: Black Ops III, PUBG: BATTLEGROUNDS, Half-Life 2, and Black Mesa. We matched them by the tags players give '1st Core: The Zombie Killing Cyborg' on Steam (Zombies, Survival, Action, FPS, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Left 4 Dead 2
Shared: Zombies · FPS · Action

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

PUBG: BATTLEGROUNDS
Shared: Survival · Shooter · FPS

Half-Life 2
Shared: Action · FPS · Singleplayer

Black Mesa
Shared: FPS · Action · Singleplayer

Resident Evil Requiem
Shared: Zombies · Action · FPS

Left 4 Dead
Shared: Zombies · FPS · Action

Resident Evil 4
Shared: Action · Zombies · Singleplayer

DayZ
Shared: Survival · Zombies · Shooter

Back 4 Blood
Shared: Zombies · FPS · Action

Killing Floor 2
Shared: Zombies · FPS · Action

Killing Floor
Shared: Zombies · FPS · Survival

Call of Duty: World at War
Shared: Zombies · FPS · Action

Metro Exodus
Shared: FPS · Singleplayer · Action

METRO Last Light Redux
Shared: FPS · Action · Singleplayer

STAR WARS™ Battlefront™ II
Shared: Singleplayer · Shooter · Action

DOOM
Shared: FPS · Action · Shooter

Call of Duty®
Shared: FPS · Action · Singleplayer

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Survival · FPS · Singleplayer

The Last of Us™ Part I
Shared: Zombies · Singleplayer · Survival

BioShock Infinite
Shared: Action · FPS · Shooter

Half-Life: Alyx
Shared: FPS · Shooter · Singleplayer

Half-Life: Blue Shift
Shared: Action · FPS · Singleplayer

Resident Evil 4 (2005)
Shared: Zombies · Action · Singleplayer