Games like Injection No.9 - Chapter 1 (The Prologue)
Games like Injection No.9 - Chapter 1 (The Prologue) include Phasmophobia, Half-Life 2, Murdered: Soul Suspect, The Mortuary Assistant, and BioShock Infinite. We matched them by the tags players give Injection No.9 - Chapter 1 (The Prologue) on Steam (Adventure, Action, Simulation, Interactive Fiction, and First-Person): closest matches first, and among equally close ones the better-known games.
Phasmophobia
Shared: First-Person · Detective · Supernatural
Half-Life 2
Shared: Action · Adventure · Sci-fi
Murdered: Soul Suspect
Shared: Adventure · Detective · Action
The Mortuary Assistant
Shared: Demons · Simulation · Mystery
BioShock Infinite
Shared: Action · First-Person · Adventure
Deliver Us The Moon
Shared: Adventure · Action · Sci-fi
Poppy Playtime
Shared: First-Person · Adventure · Mystery
Sherlock Holmes: The Devil's Daughter
Shared: Adventure · Detective · Mystery
Firewatch
Shared: Adventure · First-Person · Mystery
Contraband Police
Shared: Simulation · Action · First-Person
Black Mesa
Shared: Action · First-Person · Sci-fi
Thief Simulator
Shared: Simulation · Adventure · First-Person
Alan Wake
Shared: Action · Adventure · Mystery
Bendy and the Dark Revival
Shared: Action · Adventure · First-Person
DOOM: The Dark Ages
Shared: Action · Demons · First-Person
Atomic Heart
Shared: Adventure · Action · First-Person
Sally Face - Episode One
Shared: Adventure · Dark · Mystery
Demonologist
Shared: First-Person · Demons · Adventure
Batman™: Arkham Knight
Shared: Action · Adventure · Detective
Aimlabs
Shared: Simulation · Action · First-Person
Return of the Obra Dinn
Shared: Detective · Mystery · Adventure
Outer Wilds
Shared: Adventure · Mystery · First-Person
Grand Theft Auto V Legacy
Shared: Action · Adventure · First-Person
What Remains of Edith Finch
Shared: Adventure · First-Person · Mystery