Games like 怪異番号~20✕✕(ニーマルバツバツ)~
Games like 怪異番号~20✕✕(ニーマルバツバツ)~ include Little Nightmares, Little Nightmares II, Poppy Playtime, The Test, and PARANORMASIGHT: The Seven Mysteries of Honjo. We matched them by the tags players give 怪異番号~20✕✕(ニーマルバツバツ)~ on Steam (Horror, Choose Your Own Adventure, Text-Based, Dark, and Adventure): closest matches first, and among equally close ones the better-known games.
Little Nightmares
Shared: Horror · Adventure · Dark
Little Nightmares II
Shared: Horror · Adventure · Dark
Poppy Playtime
Shared: Horror · Singleplayer · Dark
The Test
Shared: Choose Your Own Adventure · Simulation · Horror
PARANORMASIGHT: The Seven Mysteries of Honjo
Shared: Horror · Adventure · Text-Based
INSIDE
Shared: Horror · Dark · Singleplayer
Sally Face - Episode One
Shared: Horror · Dark · Indie
The Mortuary Assistant
Shared: Horror · Demons · Singleplayer
Five Nights at Freddy's
Shared: Horror · Singleplayer · Indie
Buckshot Roulette
Shared: Horror · Dark · Singleplayer
鬼谷八荒 Tale of Immortal
Shared: Simulation · Singleplayer · Choose Your Own Adventure
Homicipher
Shared: Horror · Text-Based · Choose Your Own Adventure
Tiny Bunny
Shared: Horror · Dark · Visual Novel
Slay the Princess — The Pristine Cut
Shared: Horror · Choose Your Own Adventure · Visual Novel
Emily is Away
Shared: Singleplayer · Simulation · Choose Your Own Adventure
Bendy and the Dark Revival
Shared: Horror · Singleplayer · Adventure
Outlast
Shared: Horror · Singleplayer · Dark
Dagon: by H. P. Lovecraft
Shared: Horror · Dark · Choose Your Own Adventure
LIMBO
Shared: Dark · Indie · Horror
Milk inside a bag of milk inside a bag of milk
Shared: Horror · Text-Based · Visual Novel
Stories Untold
Shared: Horror · Text-Based · Adventure
The Life and Suffering of Sir Brante
Shared: Choose Your Own Adventure · Text-Based · Visual Novel
Visage
Shared: Horror · Dark · Singleplayer
Bendy and the Ink Machine
Shared: Horror · Singleplayer · Dark