IMHO.

Single-player games like INFECTIS

Below are 11 single-player Steam games similar to INFECTIS, 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 INFECTIS page.

Ranked picks

  1. 1
    Bendy and the Dark Revival — Steam game cover

    Bendy and the Dark Revival

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Adventure with INFECTIS.

    Bendy and the Dark Revival® is a first-person survival horror game set in the creepiest cartoon studio to ever exist. Discover the truth. Escape the studio. Above all, fear the Ink Demon…and survive.

    2022ActionAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Amnesia: The Dark Descent — Steam game cover

    Amnesia: The Dark Descent

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie and Adventure with INFECTIS.

    Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.

    2010ActionIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    ROUTINE — Steam game cover

    ROUTINE

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie and Adventure with INFECTIS.

    ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.

    2025ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Outlast — Steam game cover

    Outlast

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie and Adventure with INFECTIS.

    Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.

    2013ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Amnesia: Rebirth — Steam game cover

    Amnesia: Rebirth

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie and Adventure with INFECTIS.

    A first-person horror adventure. Uncover your past and survive the Algerian desert. Fear is your enemy; stay calm to not succumb to an illness threatening you and your loved one. Avoid darkness, hide from monsters and solve puzzles. Adventure Mode available for a less scary experience.

    2020IndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Bleak Faith: Forsaken — Steam game cover

    Bleak Faith: Forsaken

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie and Adventure with INFECTIS.

    Explore the last remnants of civilization in this vast, unforgiving, and interconnected world. Learn what is left of its history. Discover pockets of natural life in the perpetually expanding Omnistructure. Lose yourself in a journey unlike any other. Find your purpose in the world.

    2023ActionIndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Betrayer — Steam game cover

    Betrayer

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie and Adventure with INFECTIS.

    Betrayer is a first person action adventure game that takes you to the New World at the turn of the 17th century.The year is 1604. You sailed from England expecting to join a struggling colony on the coast of Virginia. Instead, you find only ghosts and mysteries. What catastrophe blighted the land and drained it of color and life?

    2014ActionIndieAdventureDeck VerifiedSingle-playerSimilar games →
  8. 8
    Chernobylite Complete Edition — Steam game cover

    Chernobylite Complete Edition

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie and Adventure with INFECTIS.

    Chernobylite is a science-fiction survival horror RPG. Set in the hyper-realistic, 3D-scanned wasteland of Chernobyl’s Exclusion Zone, explore a non-linear storyline in your search to uncover the truth of your tortured past.

    2021ActionIndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Astray — Steam game cover

    Astray

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie and Adventure with INFECTIS.

    Astray is a first-person horror/puzzle game set in an abandoned museum based on unusual cultures, legends, and supernatural themes. But something more sinister lurks beneath the surface..

    2015IndieAdventure6.99 USDSingle-playerSimilar games →
  10. 10
    Ironguard — Steam game cover

    Ironguard

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie with INFECTIS.

    Ironguard is a fast-paced roguelite shooter with procedurally generated levels and a wide array of unique weapons and items

    2016ActionIndie6.99 USDSingle-playerSimilar games →
  11. 11
    The Rodinia Project — Steam game cover

    The Rodinia Project

    Single-player alternative to INFECTIS — playable solo, no multiplayer required. Shares Indie with INFECTIS.

    The Rodinia Project is a tranquil first-person sci-fi puzzle adventure.

    2017IndieCasual5.99 USDSingle-playerSimilar games →