Single-player games like Santo Island Incident
Below are 9 single-player Steam games similar to Santo Island Incident, 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 Santo Island Incident page.
Ranked picks
- 1
The Last Hospital
Single-player alternative to Santo Island Incident — playable solo, no multiplayer required. Shares Indie and Adventure with Santo Island Incident.
Every decision made influences humanity's fate, with USMLE level medical questions woven into patient care, revealing the mysteries of a dying world.
- 2
Hotel of Shadows
Single-player alternative to Santo Island Incident — playable solo, no multiplayer required. Shares Indie with Santo Island Incident.
Hotel of Shadows is an immersive detective game where you step into the shoes of a rookie investigator in a mysterious hotel. You must find all stoles items and gather them to identify theft. There are 3 investigations where player have to find different, stolen items.
- 3
Aurora Hills: Chapter 2
Single-player alternative to Santo Island Incident — playable solo, no multiplayer required. Shares Adventure with Santo Island Incident.
Aurora Hills: Chapter 2 is the second part in series of point and click puzzle adventure games. Follow the journey of Ethan Hill, a park ranger tasked with investigating strange disappearances from a national park to uncover the mystery of Aurora Hills!
- 4
Telling Lies
Single-player alternative to Santo Island Incident — playable solo, no multiplayer required. Shares Indie and Adventure with Santo Island Incident.
Four private lives. One big lie. Search through secretly recorded video conversations to discover the truth. The successor to the acclaimed Her Story.
- 5
Strange Horticulture
Single-player alternative to Santo Island Incident — playable solo, no multiplayer required. Shares Indie and Adventure with Santo Island Incident.
Strange Horticulture is an occult puzzle game in which you play as the proprietor of a local plant store. Find and identify new plants, pet your cat, speak to a coven, or join a cult. Use your collection of powerful plants to influence the story and unravel Undermere’s dark mysteries.
- 6
Sherlock Holmes: The Devil's Daughter
Single-player alternative to Santo Island Incident — playable solo, no multiplayer required. Shares Adventure with Santo Island Incident.
Experience a fantastic adventure with unique gameplay that blends investigation, action and exploration in a breath-taking thriller that will test the limits of your nerves and intelligence. Play as the great detective and track down evil in the darkest corners of London and the human soul…
- 7
Secrets of Blackrock Manor - Escape Room
Single-player alternative to Santo Island Incident — playable solo, no multiplayer required. Shares Adventure with Santo Island Incident.
Find the hidden fortune of Blackrock Manor. Discover the truth about the family deaths. In this mysterious Escape room, you will have to solve puzzles to find the hidden vault with the treasure. But you will find much more...
- 8
Cthulhu: The Cosmic Abyss
Single-player alternative to Santo Island Incident — playable solo, no multiplayer required. Shares Adventure with Santo Island Incident.
A mining station in the Pacific abyss is no longer responding. As an investigator of the occult, unravel the mysteries of the deep. Test your wits and sanity in this lovecraftian thriller.
- 9
The Turing Test
Single-player alternative to Santo Island Incident — playable solo, no multiplayer required. Shares Adventure with Santo Island Incident.
The Turing Test is a challenging first-person puzzle game set on Jupiter’s moon, Europa. You are Ava Turing, an engineer for the International Space Agency (ISA) sent to discover the cause behind the disappearance of the ground crew stationed there.