IMHO.

Single-player games like Return to Dark Castle

Below are 11 single-player Steam games similar to Return to Dark 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 Return to Dark Castle page.

Ranked picks

  1. 1
    Prison Boy - The Adventure — Steam game cover

    Prison Boy - The Adventure

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    Help the boy Jake escape from a prison, which was considered a legend by the village where he lives with his mother, but it is very real.

    2025ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  2. 2
    Swordless — Steam game cover

    Swordless

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    A broken sword... The left hand controls the hilt, the right hand guides the blade. They work together to reach the end, and unite as one!

    2026ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    PogoPogo — Steam game cover

    PogoPogo

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    Twist and bounce through dozens of tight single-screen chambers. Splash through rapids, float through space, watch helplessly as your pogo-bound body hurtles into the jagged rocks. Try again, in this frenetic, 1-bit, precision platformer.

    2025ActionIndie4.99 USDSingle-playerSimilar games →
  4. 4
    Deep Sea Sweep — Steam game cover

    Deep Sea Sweep

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    Switch between free movement and platforming while carrying heavy treasures to navigate each level. Swim, jump and bonk meanies on their head in many short but challenging levels with tight controls. Clean up the sea of all these filthy treasures chests plaguing the various biomes!

    2026ActionIndieSingle-playerSimilar games →
  5. 5
    Yosei Wars — Steam game cover

    Yosei Wars

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    Defeat the Junk Food and Rescue the Tooth Fairies! Platforming game inspired by many arcade classics. 9 out of 10 dentists recommend wishlisting this game!

    2025ActionIndie7.99 USDSingle-playerSimilar games →
  6. 6
    Pixboy — Steam game cover

    Pixboy

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    Retro platformer in old-school colors that takes you to the past! Fight or spare enemies, beat levels, seek for secret rooms, and have fun!

    2020ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  7. 7
    Project DevourSlime — Steam game cover

    Project DevourSlime

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    A platformer… but you can take the platforms with you!?Control DevourSlime and solve puzzles by absorbing and shooting out the platforms near you.Battle corrupted lab machinery and hostile contaminants, stay ahead of the toxic gas, and rescue your companions.Plan your own unique escape route!

    2026ActionIndieSingle-playerSimilar games →
  8. 8
    Lovish — Steam game cover

    Lovish

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    Lovish is an outrageous 8-bit action-adventure game! Quest with Sir Solomon through a series of bite-sized rooms, as he attempts to free Princess Tsuna, the woman he loves, from the Devil Lord's clutches!

    2026ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Castle Dark — Steam game cover

    Castle Dark

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    Brand Warcford must track down the evil force plaguing the land in this single player ACTION RPG.

    2024ActionIndieRPG19.99 USDSingle-playerSimilar games →
  10. 10
    Meteor Storm — Steam game cover

    Meteor Storm

    Single-player alternative to Return to Dark Castle — playable solo, no multiplayer required. Shares Action and Indie with Return to Dark Castle.

    Welcome back to 1996! This shared screen space shooter is the perfect 4-player competitive game for some casual fun!

    2021ActionIndieCasual4.99 USDSingle-playerSimilar games →
  11. 11
    Mineshaft — Steam game cover

    Mineshaft

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

    Use falling blocks to craft shovels, pickaxes, bombs and other tools to dig deeper into the mine and uncover gems to complete your quest! Craft coins to buy upgrades to tools and special abilities! Join a friend for classic PVP puzzle battles, where combos drop trash onto your opponent's playfield!

    2025IndieCasualEarly Access7.99 USDSingle-playerSimilar games →
Single-Player Games Like Return to Dark Castle (2026) · imho.run