Single-player games like The Monster Inside
Below are 9 single-player Steam games similar to The Monster Inside, 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 The Monster Inside page.
Ranked picks
- 1

Subsurface Circular
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
When the truth is buried, go underground. Step into this new take on text-based adventure from the award-winning team behind Thomas Was Alone and Volume. A short story that hands you the fate of the world above, as a detective looking for answers on the Subsurface Circular.
- 2

The Last Case of John Morley
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
Step into the mind of John Morley, a 1940s detective on his final case. Explore shadowed places long forgotten by time, and piece together crime scenes in a narrative adventure steeped in mystery, unexpected twists, and a truth buried for decades.
- 3

The Infectious Madness of Doctor Dekker
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
YOU are a psychiatrist, trying to solve a murder whilst treating the unusual patients of the recently deceased Doctor Dekker. Type a question - patients reply in full screen video and have questions for you too but be careful what you say. Your words determine their eventual fates, and your own!
- 4

The Detail
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
The Detail, a crime noir adventure in a modern American city. This is a city where cases matter, clearance rates matter, and on a good day even justice matters.
- 5

Chicken Police: Into the HIVE!
Single-player alternative to The Monster Inside — playable solo, no multiplayer required.
A wild tale of conspiracy, loss, friendship, and... chickens?! Two rooster detectives are about to venture into the insect underworld to uncover a worldwide conspiracy, while also battling their inherent demons in this animal noir adventure satire.
- 6

Staffer Reborn
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
Staffer Reborn is a game of supernatural abilities and logical deduction set in 1960s America. It tells the story of a man trapped in a cycle of death and resurrection caused by his supernatural ability and the investigator who was recruited to help.
- 7

Murdered: Soul Suspect
Single-player alternative to The Monster Inside — playable solo, no multiplayer required.
MURDERED: SOUL SUSPECT™ takes players into a whole new realm of mystery where the case is personal and the clues just out of reach, challenging gamers to solve the hardest case of all… their own murder.
- 8

Kathy Rain 2: Soothsayer
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
In this point-and-click urban thriller, down-and-out private eye Kathy Rain will embark on her most dangerous case yet — the pursuit of the notorious serial killer known as the Soothsayer. Find clues, gather evidence, connect the dots, and confront the murderer before the hunter becomes the hunted…
- 9

TIMEframe
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
Time is relative. Sometimes 10 seconds can feel like an eternity... In TIMEframe you will discover a world in slow motion. Explore the remnants of a mysterious civilization on the brink of destruction.