derealization
A visual novel about a girl who escaped from a psychiatric hospital. She is pursued by a strange being from another world — and it seems she’s not the only one who can see visitors from beyond.

Positive · 32 reviews
88% positive (28 / 32)





First-person dungeon crawler RPG. Traverse through strange areas and fight vicious monsters to escape a twisted shopping mall.
Released
August 11, 2021
Price
Platforms
Windows
Developer
Publisher
Last sync
September 24, 2026
A shopping center undergoes lockdown following sudden monster appearances. A security guard and special agent are amongst the trapped guests. To find the exit—as well as answers—they must travel through distorted spaces and fight off strange creatures using mysterious devices known as "Tabernacles."
For best compatibility on Steam Deck: Go to Settings (gear icon) > Properties... > Compatibility > turn on forced compatibility > select Proton 7.0-6
Explore top-down locations and first-person mazes filled with monsters.
Experience a tense atmosphere as characters find a way to escape the dangerous mall.
Engage in challenging turn-based battles and exploit monsters' weaknesses to survive!
Unlock new abilities during fights or the Skill Menu afterward.