IMHO.

Single-player games like The Keyless: Beyond the Door

Below are 14 single-player Steam games similar to The Keyless: Beyond the Door, 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 The Keyless: Beyond the Door page.

Ranked picks

  1. 1
    Bloodshot Eyes — Steam game cover

    Bloodshot Eyes

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    THIS IS A WORK IN PROGRESS!!! IGNORE EVERYTHING ON THE PAGE!!! DEMO IS UPDATED PRETTY REGULARLY.

    2027ActionIndieAdventureFreeSingle-playerSimilar games →
  2. 2
    Esurient — Steam game cover

    Esurient

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    Upon the bones of a world long reclaimed by nature, embark on a journey wrought with danger and discovery. Leverage advanced mobility to navigate unforgiving terrain and dispatch fearsome foes. Bloom in veiled ruins haunted by beast and machine.

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    High Tide — Steam game cover

    High Tide

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    A story-driven adventure where Doug accidentally unleashes an ancient curse across a tropical island. Explore, solve environmental puzzles, battle corrupted creatures, help strange locals, and uncover how to bring the missing people back.

    2026ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    The Frog Prince — Steam game cover

    The Frog Prince

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    The Frog Prince is a physics-based climbing party game where every jump can save your run—or ruin it. Charge your leaps, survive slippery platforms, and use your tongue to rescue friends, betray rivals, and race toward a randomly generated princess at the summit.

    2026ActionIndieAdventure3.99 USDSingle-playerSimilar games →
  5. 5
    Gasnator — Steam game cover

    Gasnator

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    You are hero super soldier Gasnator. Kill and destroy different enemies and find magic crystal in different areas

    2022ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  6. 6
    PLACEFRONT — Steam game cover

    PLACEFRONT

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Indie and Adventure with The Keyless: Beyond the Door.

    PLACEFRONT is a dual tank combat simulator and stylized city builder. Create tank armies, drive individual tanks and fight to the death in 9 unique levels, or dive into build mode and drive vehicles, explore diverse biomes, and place down over 150 buildings and objects.

    2021IndieAdventureSimulation12.99 USDSingle-playerSimilar games →
  7. 7
    OUTHATCHED — Steam game cover

    OUTHATCHED

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    OUTHATCHED™ is a free and unique experience, where you take on the role of powerful birds fighting it out in a 3v3 team battle.

    ActionIndieAdventureFreeSingle-playerSimilar games →
  8. 8
    Play with Me 2: On the other side — Steam game cover

    Play with Me 2: On the other side

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    It is the sequel to the game Play with Me: Escape room. Use again the available objects in your room, outwit tricky illusions and optical puzzles and above all, answer the question – will you Play with Me TOO?

    ActionIndieAdventureSingle-playerSimilar games →
  9. 9
    The Keyless: Awakening — Steam game cover

    The Keyless: Awakening

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    The Keyless: Awakening is a journey through a dreamlike and surreal world, witnessing bizarre, metaphorical and surreal scenes as you overcome simple challenges.

    2022ActionIndieAdventureFreeDeck PlayableSingle-playerSimilar games →
  10. 10
    The Voyager — Steam game cover

    The Voyager

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    Journey between parallel worlds in a first-person narrative adventure, where each journey reveals an increasingly disturbing threat. Survive, explore, and discover what lies beyond the portal.

    2023ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  11. 11
    Kill The Topulus — Steam game cover

    Kill The Topulus

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    Kill The Topulus, shoot with timing and skill to survive! Complete unique challenges, climb the global leaderboards and prove you are the Master of Topulus!

    2023ActionIndieAdventure1.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    Protocol Five — Steam game cover

    Protocol Five

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    Protocol Filve is a surreal first-person adventure with multiple endings, you will find yourself in a world where some rotten things want to kill you. Some choices along the way drastically and irreversibly change the game, leading to one of the 5 possible endings.

    2024ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  13. 13
    Edd Skeleton Game — Steam game cover

    Edd Skeleton Game

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    Survive Edd Skeleton's "amazing" game, Mock his efforts, and watch him up the ante with scarier creatures, trickier puzzles, and surprises that will keep you on edge. Can you endure his trials and become friends... or will you just keep mocking his incompetence?

    2025ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  14. 14
    Edd Skeleton VR — Steam game cover

    Edd Skeleton VR

    Single-player alternative to The Keyless: Beyond the Door — playable solo, no multiplayer required. Shares Action and Indie with The Keyless: Beyond the Door.

    You told Edd Skeleton that his game was a lot of fun and not boring at all, and that it was really scary... that you would never want to stop playing it and that it was the best game of all time... here's another one for VR!

    2026ActionIndieAdventure3.99 USDSingle-playerSimilar games →