Games like Lunavoid
Games like Lunavoid include Outlast, Poppy Playtime, Outlast 2, Still Wakes the Deep, and Five Nights at Freddy's. We matched them by the tags players give Lunavoid on Steam (Horror, Psychological Horror, Singleplayer, First-Person, and Adventure): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · First-Person · Psychological Horror

Poppy Playtime
Shared: Horror · Singleplayer · First-Person

Outlast 2
Shared: Horror · Psychological Horror · First-Person

Still Wakes the Deep
Shared: Horror · Psychological Horror · First-Person

Five Nights at Freddy's
Shared: Horror · Singleplayer · Psychological Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person

Layers of Fear (2016)
Shared: Horror · Psychological Horror · First-Person

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

MiSide
Shared: Psychological Horror · Horror · First-Person

Buckshot Roulette
Shared: Horror · First-Person · Singleplayer

Garten of Banban
Shared: Horror · Singleplayer · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · First-Person

Blair Witch
Shared: Horror · Psychological Horror · Adventure

Visage
Shared: Horror · Psychological Horror · First-Person

Resident Evil 7 Biohazard
Shared: Horror · Singleplayer · First-Person

The Beast Inside
Shared: Horror · First-Person · Adventure

From The Darkness
Shared: Horror · Psychological Horror · First-Person

IMSCARED
Shared: Horror · Psychological Horror · First-Person

Sally Face - Episode One
Shared: Psychological Horror · Horror · Adventure

Amnesia: The Dark Descent
Shared: Horror · Psychological Horror · First-Person

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · First-Person

Fran Bow
Shared: Psychological Horror · Horror · Adventure

Mouthwashing
Shared: Horror · Psychological Horror · Indie

Slender: The Arrival
Shared: Horror · First-Person · Psychological Horror