Games like Deadly Contagion
Games like Deadly Contagion include Resident Evil 4 (2005), Resident Evil 4, Resident Evil 2, Resident Evil Requiem, and Resident Evil 3. We matched them by the tags players give Deadly Contagion on Steam (Survival Horror, Singleplayer, Horror, Zombies, and Third Person): closest matches first, and among equally close ones the better-known games.

Resident Evil 4 (2005)
Shared: Survival Horror · Zombies · Horror

Resident Evil 4
Shared: Survival Horror · Horror · Singleplayer

Resident Evil 2
Shared: Survival Horror · Zombies · Horror

Resident Evil Requiem
Shared: Survival Horror · Horror · Zombies

Resident Evil 3
Shared: Horror · Zombies · Survival Horror

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

Resident Evil 0
Shared: Survival Horror · Horror · Zombies

Resident Evil Revelations 2
Shared: Horror · Survival Horror · Zombies

Resident Evil Village
Shared: Survival Horror · Horror · Singleplayer

Resident Evil
Shared: Survival Horror · Horror · Zombies

Resident Evil 7 Biohazard
Shared: Survival Horror · Horror · Singleplayer

The Evil Within 2
Shared: Survival Horror · Horror · Singleplayer

Tomb Raider Game of the Year
Shared: Singleplayer · Third Person · Adventure

Daymare: 1998
Shared: Survival Horror · Zombies · Horror

Dead Space™ 2
Shared: Survival Horror · Horror · Third-Person Shooter

Dead Space
Shared: Survival Horror · Horror · Singleplayer

Resident Evil 5
Shared: Zombies · Horror · Third-Person Shooter

Poppy Playtime
Shared: Singleplayer · Horror · Survival Horror

Resident Evil 6
Shared: Zombies · Horror · Third-Person Shooter

Days Gone
Shared: Singleplayer · Zombies · Third Person

Resident Evil Revelations
Shared: Horror · Survival Horror · Zombies

Dead Space (2008)
Shared: Horror · Survival Horror · Singleplayer

Bendy and the Dark Revival
Shared: Singleplayer · Horror · Survival Horror

Five Nights at Freddy's: Security Breach
Shared: Singleplayer · Survival Horror · Horror