Games like Afterinfection
Games like Afterinfection include SCUM, Rust, 7 Days to Die, Project Zomboid, and DayZ. We matched them by the tags players give Afterinfection on Steam (Zombies, Survival, Open World Survival Craft, MMORPG, and Looter Shooter): closest matches first, and among equally close ones the better-known games.

SCUM
Shared: Open World Survival Craft · Survival · Zombies

Rust
Shared: Survival · Open World Survival Craft · Open World

7 Days to Die
Shared: Zombies · Survival · Open World Survival Craft

Project Zomboid
Shared: Zombies · Survival · Open World Survival Craft

DayZ
Shared: Survival · Zombies · Open World

Miscreated
Shared: Survival · Open World Survival Craft · Zombies

PUBG: BATTLEGROUNDS
Shared: Survival · FPS · Third-Person Shooter

Tom Clancy’s The Division™
Shared: Looter Shooter · Open World · Third-Person Shooter

Deadside
Shared: Survival · Open World Survival Craft · Open World

Dying Light
Shared: Zombies · Survival · Open World

Destiny 2
Shared: Looter Shooter · MMORPG · Open World

Don't Starve Together
Shared: Survival · Open World Survival Craft · Open World

SURVIVAL: Postapocalypse Now
Shared: Survival · Open World Survival Craft · Open World

Once Human
Shared: Survival · Open World · Open World Survival Craft

Days Gone
Shared: Zombies · Survival · Open World

ARK: Survival Evolved
Shared: Survival · Open World Survival Craft · Open World

The Forest
Shared: Survival · Open World Survival Craft · Open World

STALZONE
Shared: MMORPG · Open World · Survival

Conan Exiles Enhanced
Shared: Survival · Open World Survival Craft · Open World

Palworld
Shared: Survival · Open World Survival Craft · Open World

DeadPoly
Shared: Zombies · Survival · Open World Survival Craft

Terraria
Shared: Open World Survival Craft · Survival · Open World

SurrounDead
Shared: Zombies · Survival · Open World

Left 4 Dead 2
Shared: Zombies · Survival · FPS