Single-player games like Mystery P.I.™ - The Vegas Heist
Below are 16 single-player Steam games similar to Mystery P.I.™ - The Vegas Heist, 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 Mystery P.I.™ - The Vegas Heist page.
Ranked picks
- 1
The Dark Story: Starving Child
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required.
Become an investigator and uncover the truths shrouded in darkness. The protagonist responds to a report of a discovered corpse and heads to the scene. As the investigation progresses, they get closer to uncovering the truth.
- 2
A Matter of Murder: Second Stab
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
The game is afoot. Again. A Matter of Murder: Second Stab is a roguelite detective puzzler where every playthrough serves up a fresh murder, a new web of lies, and another chance to prove your little grey cells are sharper than the killer’s knife.
- 3
It Was Not a Suicide
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required.
A psychological horror detective simulation set in Rainier Falls in 2005. Uncover the truth behind Adele's death by finding contradictions in the case files. Are you brilliant enough to expose the suspects' lies in a single attempt? Because you only get one chance to make an arrest.
- 4
speak of my sin
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
Speak of My Sin is a word reasoning game - players are supposed to find the truth of the cases, restore the story in a number of interrelated cases and finally detect the identification of “me”, speaking out “my” sin.
- 5
Gap World Events
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
This is an original orthodox detective mystery game. The player suddenly takes possession of Roran, who hopes to report to the academy. You must investigate and deduce the truth behind a series of bizarre incidents that obstruct his journey, helping him successfully reach the academy.
- 6
Chains of Judgment
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
Homicide detective Ralph is distraught when his trusted, reliable partner goes missing around the same time strange killings begin to take place. While solving the case, Ralph is paired up with an impish rookie he can't get along with.
- 7
Fateful End: True Case Files
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
Solve your own murder in this thrilling true crime adventure game. You've come face-to-face with your fate and someone close to you is going to kill you...unless you find out who it is before the time runs out!
- 8
Marcella Moon: Secret on the Hill
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
Follow amateur sleuth Marcella Moon to Ireland to investigate the disappearance of a famous writer.
- 9
Escape Rosecliff Island
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
An unexpected storm has left you shipwrecked on a mysterious and remote private island. Seek & find cleverly hidden objects and solve puzzles to find a way off the island! Find over 2100 hidden objects in 25 intriguing and mysterious locations to find items that will help you escape!
- 10
Mystery Case Files: Madame Fate®
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
Madame Fate™, a mysterious fortune teller, has foreseen her own demise at midnight this very day. She has asked for your help in investigating each quirky carnival worker to determine their whereabouts at midnight.
- 11
Mystery Case Files: The Riddle of Mrs. Bishop Collector's Edition
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
Uncover the identity of a mysterious woman with a message from the past!
- 12
Amazing Adventures Around the World
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
Pieces of an ancient stone tablet have started turning up around the globe and the Museum needs your help to locate the pieces and find the most expensive gem ever known...the World Diamond. Under the direction of the Museum, you must immediately begin your global seek & find adventure.
- 13
Mystery P.I.™ - The Lottery Ticket
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
You are the world-famous Mystery P.I. and you've been hired by Grandma Rose to find her $488 million dollar winning lottery ticket that has gone missing! Retrace Grandma's steps to collect clues by finding hidden objects and solving puzzles. Search the city for the clues and piece them together to solve the case.
- 14
Amazing Adventures The Lost Tomb™
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
You are an adventure seeker who travels the world in search of forgotten & lost treasures. Search for hidden objects and circumvent unique puzzle traps to recover the most sought after treasures the world has ever known. A newly-discovered fragment of an ancient map is believed to reveal the location of the Lost Tomb of Egypt.
- 15
Mystery P.I.™ - The New York Fortune
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
A fun loving & eccentric New York billionaire has hidden the will to his vast fortune somewhere in New York City! His family only has 17 hours to locate the will or their Grandpa's entire estate will be given to his cat & dog. You are the world famous Mystery P.I.
- 16
Mystery P.I. - Lost in Los Angeles
Single-player alternative to Mystery P.I.™ - The Vegas Heist — playable solo, no multiplayer required. Shares Casual with Mystery P.I.™ - The Vegas Heist.
Seek & Find the Hollywood Blockbuster! The only copy of this year's biggest blockbuster movie has gone missing the day before the VIP Hollywood premiere. You are the world famous Mystery P.I. and have been hired to track down and return the lost movie. Seek & Find over 2100 hidden objects in 25 stunning L.A.