If you liked this
Games like Iwakutsugi
If you finished Iwakutsugi, the closest matches are Fears to Fathom: Carson House, Corpse Party II: Darkness Distortion, The Lies We Tell Ourselves, The Inn-Sanity and Nightmare Side: The Game. All 18 share its adventure genre and are ranked by how closely their themes and modes overlap.
Fears to Fathom: Carson House
Upcoming
Corpse Party II: Darkness Distortion
The Lies We Tell Ourselves
The Inn-Sanity
Nightmare Side: The Game
Salammbo: Battle for Carthage
Paranoid
Morphine
Truth
The Death
The Paribneur Combination
The Terrible Old Man
The Cats of Ulthar
Room 303
Akui
The fall of the Buxhaven family
Conformity