Games like Serum: Toxic Survival
Games like Serum: Toxic Survival include Dying Light, Resident Evil Requiem, Warhammer 40,000: Darktide, Left 4 Dead 2, and Atomic Heart. We matched them by the tags players give Serum: Toxic Survival on Steam (Interactive Fiction, Adventure, FPS, Horror, and Combat): closest matches first, and among equally close ones the better-known games.

Dying Light
Shared: Horror · Zombies · FPS

Resident Evil Requiem
Shared: Horror · FPS · Zombies

Warhammer 40,000: Darktide
Shared: FPS · Combat · PvE

Left 4 Dead 2
Shared: FPS · Zombies · Horror

Atomic Heart
Shared: Adventure · FPS · Horror

Crimson Desert Enhanced
Shared: Adventure · Combat · Exploration

Dead Island 2
Shared: Adventure · Zombies · Horror

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

7 Days to Die
Shared: Zombies · Adventure · FPS

Fallout 4
Shared: Adventure · Exploration · FPS

Far Cry® 6
Shared: FPS · Adventure · Exploration

Metro Exodus
Shared: FPS · Horror · Adventure

Ready or Not
Shared: FPS · Horror · Adventure

Killing Floor 3
Shared: FPS · Horror · Zombies

John Carpenter's Toxic Commando
Shared: FPS · Adventure · Zombies

God of War
Shared: Adventure · Combat · Action

Half-Life: Alyx
Shared: FPS · Horror · Zombies

The Forest
Shared: Horror · Adventure · Exploration

Left 4 Dead
Shared: FPS · Zombies · Horror

Nightmare of Decay
Shared: Horror · FPS · Zombies

Dying Light: The Beast
Shared: Horror · Zombies · Action

Cyberpunk 2077
Shared: FPS · Futuristic · RPG

Killing Floor 2
Shared: FPS · Zombies · Horror

Back 4 Blood
Shared: FPS · Zombies · Horror