Games like Nightmare Grotto
Games like Nightmare Grotto include Resident Evil Village, Half-Life: Alyx, Resident Evil 7 Biohazard, The Walking Dead: Saints & Sinners, and Ready or Not. We matched them by the tags players give Nightmare Grotto on Steam (Action, Indie, Shooter, Survival Horror, and Horror): closest matches first, and among equally close ones the better-known games.

Resident Evil Village
Shared: Action · Survival Horror · Horror

Half-Life: Alyx
Shared: VR · Shooter · Horror

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

The Walking Dead: Saints & Sinners
Shared: VR · Action · Horror

Ready or Not
Shared: Shooter · FPS · Action

Pavlov
Shared: VR · Action · Shooter

Left 4 Dead 2
Shared: Action · Shooter · FPS

BONEWORKS
Shared: VR · Action · Shooter

Trepang2
Shared: Shooter · Action · Horror

Contractors
Shared: Action · VR · Indie

BONELAB
Shared: VR · Action · Shooter

Resident Evil 4
Shared: Action · Horror · Survival Horror

Onward
Shared: VR · Shooter · Action

Arizona Sunshine® VR Legacy
Shared: Action · VR · Horror

Serious Sam Fusion 2017 (beta)
Shared: Action · Indie · VR

Bodycam
Shared: Shooter · FPS · Horror

Resident Evil Requiem
Shared: Action · Survival Horror · Horror

Blood Trail
Shared: VR · Action · Violent

Bright Memory: Infinite
Shared: Action · Indie · Shooter

GTFO
Shared: Horror · Action · Shooter

METRO 2033 Redux
Shared: Action · Horror · FPS

Call of Duty®
Shared: Action · Shooter · FPS

Pistol Whip
Shared: Action · VR · Shooter

Hard Bullet
Shared: Action · VR · Shooter

