Single-player games like Puzzle Spy International
Below are 11 single-player Steam games similar to Puzzle Spy International, 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 Puzzle Spy International page.
Ranked picks
- 1

Murder by Numbers
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required. Shares Indie with Puzzle Spy International.
Solve Pixel Puzzles to find clues. Use those clues to interrogate witnesses. Work your way to the truth... ...and uncover the mystery of Murder by Numbers!
- 2

Turlock Holmes
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required.
A detective narrative puzzler without pre-set options! Raise your questions at will, and an AI-host will answer only with 'yes' or 'no.' Drive the investigation with your curiosity; the path to solving the mystery lies in questions you ask. Can you dig out the truth through your questions?
- 3

Detective Grimoire
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required. Shares Indie with Puzzle Spy International.
Detective Grimoire has been called to investigate a murder. The owner of a small tourist attraction, seemingly killed by the mythical creature his attraction is based around... Explore the area, inspect the crime scene, grill suspects, solve puzzles, hunt for clues & uncover the secret of the swamp!
- 4

Lady in Mystery
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required. Shares Indie with Puzzle Spy International.
Welcome to a small detective agency in old Seoul. Lady in Mystery is a Yuri mystery visual novel set in 18th-century Joseon. Choose one of four women to grow closest to Heesoo, the disguised detective. Your choices may lead to love, revenge, or darker paths than you imagined.
- 5

Her Story
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required. Shares Indie with Puzzle Spy International.
A woman is interviewed seven times by the police. Search the video database and explore hundreds of authentic clips to discover her story in this groundbreaking and award winning narrative game.
- 6

Blake: The Visual Novel
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required. Shares Indie with Puzzle Spy International.
Graphic Novel meets Visual Novel in this story-rich, choice-driven thriller. Experience Blake’s journey as he encounters a clandestine nemesis, sparking a series of events that force him to choose between losing his sanity or rising to the challenge. Make the right decisions and save New Stone.
- 7

London: Echoes of the Past
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required. Shares Indie with Puzzle Spy International.
A mysterious woman comes back from the dead, and the dusty past surfaces. Between a gloomy student girl and a glamorous ex-girlfriend, the clues are intertwined, who is the mastermind behind the scene? Play as a detective heroine in 1935 London, embark on a journey of love and growth.
- 8

Tangle Tower
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required. Shares Indie with Puzzle Spy International.
Unravel a thrilling mystery by exploring a strange and twisted mansion, discovering curious clues, interrogating peculiar suspects and solving unique puzzles. Will you be able to uncover the secrets of Tangle Tower?
- 9

The Talos Principle
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required. Shares Indie with Puzzle Spy International.
The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).
- 10

Dark Tales from México: Prelude. Just a Dream... with The Sack Man
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required.
An Handmade 3D Survival Horror based on true Mexican Folk Tales and Clay Sculptures. WARNING: Short game with NO SAVE FEATURE. You have to enter a progressive assembly maze, solve it and exit in less than 1 hour or you will return to the beginning.
- 11

Carmen Sandiego
Single-player alternative to Puzzle Spy International — playable solo, no multiplayer required.
The scarlet super thief Carmen Sandiego is back! Adorn Carmen’s signature red hat and play as the vigilante herself to navigate a world of espionage, utilizing high-tech gadgets, and ultimately capturing VILE.