Games like Ikai
Games like Ikai include SOMA, What Remains of Edith Finch, Poppy Playtime, Outlast, and Firewatch. We matched them by the tags players give Ikai on Steam (Horror, Psychological Horror, Story Rich, Atmospheric, and Survival Horror): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Psychological Horror · Story Rich

What Remains of Edith Finch
Shared: Story Rich · Atmospheric · Walking Simulator

Poppy Playtime
Shared: Horror · Psychological Horror · Survival Horror

Outlast
Shared: Horror · Psychological Horror · Atmospheric

Firewatch
Shared: Story Rich · Atmospheric · Adventure

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Atmospheric

Amnesia: A Machine For Pigs
Shared: Horror · Story Rich · Atmospheric

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

Mouthwashing
Shared: Horror · Psychological Horror · Story Rich

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

SILENT HILL 2
Shared: Horror · Psychological Horror · Story Rich

Amnesia: The Dark Descent
Shared: Horror · Psychological Horror · Atmospheric

Little Nightmares
Shared: Horror · Atmospheric · Story Rich

Visage
Shared: Horror · Psychological Horror · Survival Horror

Darkwood
Shared: Horror · Psychological Horror · Survival Horror

MiSide
Shared: Psychological Horror · Story Rich · Horror

Inside the Backrooms
Shared: Horror · Psychological Horror · Survival Horror

Little Nightmares II
Shared: Horror · Psychological Horror · Atmospheric

Resident Evil Village
Shared: Horror · Survival Horror · First-Person

Lethal Company
Shared: Horror · Survival Horror · Psychological Horror

Sally Face - Episode One
Shared: Psychological Horror · Story Rich · Horror

Still Wakes the Deep
Shared: Horror · Psychological Horror · Story Rich

Outer Wilds
Shared: Story Rich · Exploration · Atmospheric

Bendy and the Ink Machine
Shared: Horror · First-Person · Survival Horror

