Games like DeadShotZ
Games like DeadShotZ include Vampire Survivors, Left 4 Dead 2, The Final Station, Deadlight, and The Last Stand: Aftermath. We matched them by the tags players give DeadShotZ on Steam (Action, Casual, Indie, 2D, and Horror): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: 2D · Indie · Roguelite

Left 4 Dead 2
Shared: Action · Zombies · Horror

The Final Station
Shared: Indie · Post-apocalyptic · 2D

Deadlight
Shared: Action · Indie · Zombies

The Last Stand: Aftermath
Shared: Zombies · Post-apocalyptic · Survival

Resident Evil 4
Shared: Action · Horror · Zombies

The Last of Us™ Part I
Shared: Horror · Post-apocalyptic · Zombies

Left 4 Dead
Shared: Action · Zombies · Horror

Days Gone
Shared: Zombies · Action · Post-apocalyptic

Plague Inc: Evolved
Shared: Indie · Casual · Zombies

DayZ
Shared: Zombies · Survival · Post-apocalyptic

Megabonk
Shared: Indie · Action · Roguelite

Skul: The Hero Slayer
Shared: Action · Indie · 2D

Timberman
Shared: Casual · Indie · Action

Metro Exodus
Shared: Post-apocalyptic · Action · Horror

METRO Last Light Redux
Shared: Action · Post-apocalyptic · Horror

20 Minutes Till Dawn
Shared: Horror · Roguelite · Survival

METRO 2033 Redux
Shared: Action · Post-apocalyptic · Horror

Deadly Days
Shared: Action · Indie · Casual

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

Plants vs. Zombies GOTY Edition
Shared: Casual · Zombies · 2D

Hades
Shared: Indie · Action · Roguelite

Deadly 30
Shared: Action · Indie · 2D

Resident Evil 2
Shared: Horror · Zombies · Action