IMHO.

Single-player games like St. Mary's 1985

Below are 8 single-player Steam games similar to St. Mary's 1985, 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 St. Mary's 1985 page.

Ranked picks

  1. 1
    Peak or Die — Steam game cover

    Peak or Die

    Single-player alternative to St. Mary's 1985 — playable solo, no multiplayer required. Shares Indie and Adventure with St. Mary's 1985.

    Peak or Die is a narrative-driven survival game about leading a team of adventurers up a deadly mountain, where every decision has lasting consequences. Manage oxygen, food, and team morale while facing moral dilemmas, random events, and an unforgiving environment. Reach the summit — or fail trying.

    IndieAdventureSingle-playerSimilar games →
  2. 2
    The Test: Secrets of the Soul — Steam game cover

    The Test: Secrets of the Soul

    Single-player alternative to St. Mary's 1985 — playable solo, no multiplayer required. Shares Indie and Adventure with St. Mary's 1985.

    You will answer a series of questions that will reveal things from deep within. Some will be uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and are you SURE you want the answers you seek? For it is time to unlock "Secrets of the Soul..."

    2023IndieAdventureSimulationFreeDeck VerifiedSingle-playerSimilar games →
  3. 3
    Strange Antiquities — Steam game cover

    Strange Antiquities

    Single-player alternative to St. Mary's 1985 — playable solo, no multiplayer required. Shares Indie and Adventure with St. Mary's 1985.

    Become the custodian of a store dealing in occult antiquities. Explore the quaint and gloomy town of Undermere, where strange goings-on and dark mysteries abound. Find and identify arcane artefacts, use your collection to aid the townsfolk with their unusual problems — and remember to pet your cat!

    2025IndieAdventureSimulation17.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    The Advisor - Episode 1: Royal Pain — Steam game cover

    The Advisor - Episode 1: Royal Pain

    Single-player alternative to St. Mary's 1985 — playable solo, no multiplayer required. Shares Adventure with St. Mary's 1985.

    The Advisor Series is a player-driven narrative where your choices & decisions, both in the game, and out of the game, determine how future episodes unfold. Play the role of villain protagonist Magnus the Magician, as he wreaks havoc across the land, one well-placed fireball at a time!

    2021AdventureSimulationRPG2.99 USDSingle-playerSimilar games →
  5. 5
    Static Dread: The Lighthouse — Steam game cover

    Static Dread: The Lighthouse

    Single-player alternative to St. Mary's 1985 — playable solo, no multiplayer required. Shares Indie and Adventure with St. Mary's 1985.

    Lovecraft meets Papers, Please. Play as a lighthouse keeper and guide ships safely into the harbor using your radio. Survive the presence of something impossible, and don’t let the shadows consume you!

    2025ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    The Casting of Frank Stone™ — Steam game cover

    The Casting of Frank Stone™

    Single-player alternative to St. Mary's 1985 — playable solo, no multiplayer required. Shares Adventure with St. Mary's 1985.

    The shadow of Frank Stone looms over Cedar Hills, a town forever altered by his violent past. As a group of young friends are about to discover, Stone’s blood-soaked legacy cuts deep, leaving scars across families, generations, and the very fabric of reality itself.

    2024Adventure29.99 USDSingle-playerSimilar games →
  7. 7
    The Gallery — Steam game cover

    The Gallery

    Single-player alternative to St. Mary's 1985 — playable solo, no multiplayer required. Shares Indie and Adventure with St. Mary's 1985.

    An art curator is held hostage by a portraitist who threatens to detonate a bomb unless their demands are met. 'The Gallery' contains two interactive narratives - set in 1981 (with a female protagonist) and 2021 (with a male protagonist).

    2022IndieAdventureSimulation9.99 USDSingle-playerSimilar games →
  8. 8
    Saint Kotar — Steam game cover

    Saint Kotar

    Single-player alternative to St. Mary's 1985 — playable solo, no multiplayer required. Shares Indie and Adventure with St. Mary's 1985.

    Saint Kotar is a psychological horror detective game set in a cursed valley in rural Croatia. Investigate the disappearance of your relative in the occult-ridden town of Sveti Kotar as you switch between conflicting realities through the eyes of two godly men.

    2021IndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →