IMHO.

Single-player games like Porter in the Castle

Below are 11 single-player Steam games similar to Porter in the Castle, 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 Porter in the Castle page.

Ranked picks

  1. 1
    Knight Story — Steam game cover

    Knight Story

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    Black and white 2D platformer about a knight's journey.

    2022ActionIndieAdventure199.99 USDSingle-playerSimilar games →
  2. 2
    ✌ Johnny Rocket — Steam game cover

    ✌ Johnny Rocket

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    A comic adventure introducing Johnny Rocket in an action platformer game stylized as a free-hand black and white cartoon.

    2018ActionIndieAdventure199.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Original Journey — Steam game cover

    Original Journey

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    Original Journey is a 2D hand drawn, sci-fi action-adventure with a bold hand drawn art style. Join the Ato as they embark on a mission to save their home world. Only a mysterious power source discovered on a distant planet can save them but how far will the Ato go save themselves?

    2017ActionIndieAdventure11.99 USDSingle-playerSimilar games →
  4. 4
    Chasm — Steam game cover

    Chasm

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    Explore the depths below a remote mountain town in this procedurally-generated Adventure Platformer. Taking inspiration from hack 'n slash dungeon crawlers and Metroidvania-style platformers, Chasm will immerse you in a fantasy world full of exciting treasure, deadly enemies, and abundant secrets.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Rogue Legacy 2 — Steam game cover

    Rogue Legacy 2

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    Rogue Legacy 2 is what you'd get if you mashed Rogue Legacy and a sequel together. Every time you die, your children will succeed you, and each child is unique. Your daughter might be a Colourblind Archer, and your son could be a Pacifistic Chef. Either way, one of them is getting conscripted.

    2022ActionIndieAdventure24.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Rogue Legacy — Steam game cover

    Rogue Legacy

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    Rogue Legacy is a genealogical rogue-"LITE" where anyone can be a hero. Each time you die, your child will succeed you. Every child is unique. One child might be colorblind, another might be a dwarf with vertigo. But that's OK, because no one is perfect, and you don't have to be to succeed.

    2013ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Nuclear Throne — Steam game cover

    Nuclear Throne

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?

    2015ActionIndieRPG11.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Hell is Other Demons — Steam game cover

    Hell is Other Demons

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    Hell is Other Demons is an action-platform shooter, with Roguelite elements. Explore a sprawling, hand-crafted world full of demons, insanely over-the-top boss fights, and a heavy synthwave soundtrack.

    2019ActionIndie9.99 USDSingle-playerSimilar games →
  9. 9
    Temple with traps — Steam game cover

    Temple with traps

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Strategy with Porter in the Castle.

    Find the objects that are hidden on the map.

    2021ActionStrategyIndie199.99 USDSingle-playerSimilar games →
  10. 10
    Find Match Icons — Steam game cover

    Find Match Icons

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    Find the icon among hundreds of others.

    2021ActionIndieCasual199.99 USDSingle-playerSimilar games →
  11. 11
    Charades Movie One — Steam game cover

    Charades Movie One

    Single-player alternative to Porter in the Castle — playable solo, no multiplayer required. Shares Action and Indie with Porter in the Castle.

    Solve movie charades, guess which pictures represent which movie names

    2023ActionIndieAdventure199.99 USDDeck VerifiedSingle-playerSimilar games →