Games like Amerta
Games like Amerta include Left 4 Dead 2, The Final Station, Dead Bits, Timberman, and Resident Evil 2. We matched them by the tags players give Amerta on Steam (Casual, Action, Indie, Zombies, and Horror): closest matches first, and among equally close ones the better-known games.

Left 4 Dead 2
Shared: Zombies · Action · Horror

The Final Station
Shared: Indie · Action · Zombies

Dead Bits
Shared: Action · Casual · Indie

Timberman
Shared: Casual · Indie · Action

Resident Evil 2
Shared: Zombies · Horror · Action

Vampire Survivors
Shared: Indie · Casual · Action

Resident Evil 4
Shared: Action · Horror · Zombies

Deadlight
Shared: Action · Zombies · Indie

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

Resident Evil Requiem
Shared: Zombies · Action · Horror

Cookie Clicker
Shared: Casual · Indie · Horror

Broforce
Shared: Action · Indie · Pixel Graphics

Resident Evil 3
Shared: Action · Zombies · Horror

Dying Light
Shared: Zombies · Horror · Action

Into the Dead: Our Darkest Days
Shared: Zombies · Action · Horror

Left 4 Dead
Shared: Zombies · Action · Horror

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

DayZ
Shared: Zombies · Shooter · Post-apocalyptic

Killing Floor 2
Shared: Zombies · Action · Horror

Planes, Bullets and Vodka
Shared: Casual · Action · Arcade

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

Cyberhunt
Shared: Action · Casual · Indie

Resident Evil Village
Shared: Action · Horror · Zombies

Endoparasitic
Shared: Action · Horror · Zombies