Single-player games like Injection No.9 - Chapter 1 (The Prologue)
Below are 9 single-player Steam games similar to Injection No.9 - Chapter 1 (The Prologue), ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Injection No.9 - Chapter 1 (The Prologue) page.
Ranked picks
- 1
Renascor
Single-player alternative to Injection No.9 - Chapter 1 (The Prologue) — playable solo, no multiplayer required. Shares Action and Indie with Injection No.9 - Chapter 1 (The Prologue).
The spine of time has shattered. With your team of 1–4 experts, investigate divine anomalies, gather evidence, and seal reality itself. Following the lost teams, infiltrate history as Renascor’s final hope.
- 2
Clink
Single-player alternative to Injection No.9 - Chapter 1 (The Prologue) — playable solo, no multiplayer required. Shares Indie and Adventure with Injection No.9 - Chapter 1 (The Prologue).
You are a lonely woman, secluded in a house with your cat... and the secrets of the past. What hides within your mind — illness, or something otherworldly? Nightmares and reality intertwine… everything is so foggy. Do you have the courage to remember what happened?
- 3
Phasmophobia
Single-player alternative to Injection No.9 - Chapter 1 (The Prologue) — playable solo, no multiplayer required. Shares Action and Indie with Injection No.9 - Chapter 1 (The Prologue).
Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.
- 4
Lost Lullabies: The Orphanage Chronicles
Single-player alternative to Injection No.9 - Chapter 1 (The Prologue) — playable solo, no multiplayer required. Shares Action and Indie with Injection No.9 - Chapter 1 (The Prologue).
"Lost Lullabies - The Orphanage Chronicles" is a Co-Op horror game set in 1980, inspired by the real stories of an orphanage ruined by a fire in 1960 Lowell. Playable with 1-4 players, the goal is to identify and expel malevolent spirits alone or with your team.
- 5
iBLiS
Single-player alternative to Injection No.9 - Chapter 1 (The Prologue) — playable solo, no multiplayer required. Shares Action and Indie with Injection No.9 - Chapter 1 (The Prologue).
Demon is a first-person psychological horror game. How much can a game affect your real life? Enjoy a realistic home environment and terrifying moments of being immersed in a real-life story.
- 6
Radiolight
Single-player alternative to Injection No.9 - Chapter 1 (The Prologue) — playable solo, no multiplayer required. Shares Indie and Adventure with Injection No.9 - Chapter 1 (The Prologue).
Ashwood Creek, 1985. A child disappears without a trace. A local policeman is drawn into a national park, seeking the truth. Mysterious radio signals beckon him further and further. Investigate, survive and face the unknown in Radiolight— an '80s thriller by solo dev Krystof Knesl.
- 7
Demonologist
Single-player alternative to Injection No.9 - Chapter 1 (The Prologue) — playable solo, no multiplayer required. Shares Action and Indie with Injection No.9 - Chapter 1 (The Prologue).
Demonologist is a Co-Op horror game that can be played with at least 1 and up to 4 players. Your goal is to identify the type of evil spirit in cursed places and exorcise it using your equipment, either alone or with your team.
- 8
Conrad Stevenson's Paranormal P.I.
Single-player alternative to Injection No.9 - Chapter 1 (The Prologue) — playable solo, no multiplayer required. Shares Indie and Simulation with Injection No.9 - Chapter 1 (The Prologue).
I made this first-person single player ghost hunting simulation game, trying to take an authentic approach at investigating ghosts. Use essential paranormal tools to help your community alleviate their concerns and put their minds at ease.
- 9
The Next Room
Single-player alternative to Injection No.9 - Chapter 1 (The Prologue) — playable solo, no multiplayer required. Shares Action and Indie with Injection No.9 - Chapter 1 (The Prologue).
The Next Room is a fast-paced 3D action roguelite where every room is a new challenge and every decision can mean the difference between survival and death. Fight your way through relentless monsters, avoid deadly traps, uncover hidden secrets, and defeat powerful bosses guarding the path ahead.