Games like Mata's Demise
Games like Mata's Demise include Five Nights at Freddy's: Security Breach, Escape the Backrooms, PEAK, Thief, and R.E.P.O.. We matched them by the tags players give Mata's Demise on Steam (Adventure, Stealth, Singleplayer, First-Person, and Physics): closest matches first, and among equally close ones the better-known games.

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

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

PEAK
Shared: Adventure · Physics · First-Person

Thief
Shared: Stealth · Adventure · First-Person

R.E.P.O.
Shared: Physics · First-Person · Stealth

Berry Bury Berry
Shared: First-Person · Singleplayer · 3D

Bendy and the Dark Revival
Shared: Singleplayer · First-Person · Adventure

Outlast
Shared: First-Person · Singleplayer · Adventure

Thief Simulator
Shared: Stealth · Singleplayer · First-Person

RV There Yet?
Shared: Adventure · Physics · First-Person

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · First-Person · Horror

Slime Rancher
Shared: Adventure · Singleplayer · First-Person

Garry's Mod
Shared: Physics · First-Person · Singleplayer

Dishonored
Shared: Stealth · First-Person · Singleplayer

Poppy Playtime
Shared: Singleplayer · First-Person · Horror

Firewatch
Shared: Adventure · First-Person · Singleplayer

Little Nightmares
Shared: Adventure · Singleplayer · Stealth

Getting Over It with Bennett Foddy
Shared: Singleplayer · Physics · Casual

Little Nightmares II
Shared: Adventure · Singleplayer · Stealth

SchoolBoy Runaway
Shared: Adventure · Stealth · First-Person

Amnesia: Rebirth
Shared: First-Person · Singleplayer · Adventure

Slime Rancher 2
Shared: Singleplayer · Adventure · First-Person

How to Fish
Shared: Adventure · First-Person · Physics

Thief Simulator 2
Shared: Stealth · Singleplayer · Adventure