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

Contrast
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
CONTRAST is a puzzle/platform game where you can move between a fantastic 3D world and a mysterious shadowy universe in 2D in the blink of an eye. Delve into a dreamlike and surreal 1920s world, inspired by the performance art world of vaudeville and film noir, and cradled by a smooth and sultry jazz ambiance.
- 2

Metamorphosis
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
Play as Gregor, turned into a tiny bug, and set out on an extraordinary journey to unravel the mystery of your transformation. Metamorphosis is a first person adventure set in a surrealist world where your newfound abilities are your last and only hope for redemption.
- 3

Duck Detective: The Secret Salami
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
Solving crime is no walk in the pond. You are a down-on-his-luck detective who also happens to be a duck. Use your powers of de-duck-tion to inspect evidence, fill in the blanks, and bust the case wide open! This is a short but twisty detective case.
- 4

Duck Detective: The Ghost of Glamping
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
You are the one and only Duck Detective, a depressed and recently divorced duck who must quack the case. Inspect evidence, make de-duck-tions, and solve this no-murder mystery!
- 5

Blackwell Unbound
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
The year is 1973. The sound of a lone, ethereal saxophone drifts over the Roosevelt Island promenade, while a series of accidents plague a midtown construction site. The citizens of Manhattan take no notice of these events, let alone think they are connected.
- 6

The Shivah
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
Russell Stone is a Jewish Rabbi at a poor synagogue in New York City. He is a devout man with a problem. Membership is way down and he lacks the funds to keep his synagogue open. Things are looking very bleak, and he has grown progressively more cynical and bitter with the passage of time.
- 7

The Flower Collectors
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
Barcelona, 1977. An ex-cop in a wheelchair witnesses a murder, and teams up with a young ambitious journalist to bring the truth to light. With camera, binoculars and transmitter in hand, uncover the town’s secrets from your balcony in this soul-searching detective mystery.
- 8

Dry Drowning
Single-player alternative to The Monster Inside — playable solo, no multiplayer required. Shares Indie with The Monster Inside.
Dry Drowning is a psychological investigative visual novel set in a futuristic dystopian city. Follow the story of Mordred Foley, unscrupulous private detective haunted by his dark past, and look into a series of macabre serial killings inspired by Greek mythology.
- 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.