Games like Maniac: Hunt or Be Hunted
Games like Maniac: Hunt or Be Hunted include Escape the Backrooms, Lethal Company, The Outlast Trials, PAYDAY 2, and Dead by Daylight. We matched them by the tags players give Maniac: Hunt or Be Hunted on Steam (Indie, Action, Stealth, Psychological Horror, and First-Person): closest matches first, and among equally close ones the better-known games.

Escape the Backrooms
Shared: Psychological Horror · First-Person · Co-op

Lethal Company
Shared: First-Person · Psychological Horror · Co-op

The Outlast Trials
Shared: Psychological Horror · First-Person · Stealth

PAYDAY 2
Shared: Action · Co-op · Stealth

Dead by Daylight
Shared: Co-op · Stealth · First-Person

Phasmophobia
Shared: Psychological Horror · First-Person · Co-op

PEAK
Shared: Co-op · First-Person · Online Co-Op

Outlast
Shared: First-Person · Psychological Horror · Atmospheric

Zort
Shared: Psychological Horror · First-Person · Co-op

How to Fish
Shared: Indie · Co-op · First-Person

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

Witch It
Shared: Indie · Action · Hidden Object

Backrooms: Escape Together
Shared: Psychological Horror · First-Person · Co-op

PANICORE
Shared: Psychological Horror · First-Person · Stealth

Left 4 Dead 2
Shared: Action · Co-op · First-Person

RV There Yet?
Shared: Co-op · Indie · First-Person

Inside the Backrooms
Shared: Psychological Horror · Co-op · First-Person

Ready or Not
Shared: First-Person · Action · Psychological Horror

The Blackout Club
Shared: Indie · Action · Co-op

Far Cry® 4
Shared: Action · Co-op · First-Person

Far Cry 3
Shared: Action · Stealth · First-Person

Pacify
Shared: Psychological Horror · Co-op · First-Person

MiSide
Shared: Psychological Horror · First-Person · 3D

Borderlands 2
Shared: Action · Loot · Co-op