IMHO.

Single-player games like Sin-Cay

Below are 8 single-player Steam games similar to Sin-Cay, 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 Sin-Cay page.

Ranked picks

  1. 1
    Kill To Live — Steam game cover

    Kill To Live

    Single-player alternative to Sin-Cay — playable solo, no multiplayer required. Shares Action and Indie with Sin-Cay.

    Your health decreases with every second and extermination of enemies is the most effective way to restore it. Don't sit still if you want to stay alive.

    2022ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  2. 2
    Hell: distant lights — Steam game cover

    Hell: distant lights

    Single-player alternative to Sin-Cay — playable solo, no multiplayer required. Shares Action and Indie with Sin-Cay.

    A puzzle with shooter elements and a small addition of horror.

    2023ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  3. 3
    Wicked Rails VR — Steam game cover

    Wicked Rails VR

    Single-player alternative to Sin-Cay — playable solo, no multiplayer required. Shares Action and Indie with Sin-Cay.

    Wicked Rails is a mini VR game where you ride through dark and dangerous caves. Your most important mission is to survive the ride and escape the impending doom. Rack up your points by collecting all gems and destroying the lava flows. Make sure to avoid all the obstacles!

    2020ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  4. 4
    Isotopia — Steam game cover

    Isotopia

    Single-player alternative to Sin-Cay — playable solo, no multiplayer required. Shares Action and Indie with Sin-Cay.

    A fast-paced first-person action game where you explore, fight, and destruct in a fully destructible voxel world, developing skills and uncovering the secrets of forgotten civilizations.

    ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    CYBER EMOJI TALE 2099 — Steam game cover

    CYBER EMOJI TALE 2099

    Single-player alternative to Sin-Cay — playable solo, no multiplayer required. Shares Action and Indie with Sin-Cay.

    CYBER EMOJI TALE 2099 is a classic RPG with elements of a graphic novel, set in an open rail world with a system of hardcore real-time battles, in the universe of the near future.

    2021ActionSportsIndie0.99 USDSingle-playerSimilar games →
  6. 6
    Invasion Resistance 2 — Steam game cover

    Invasion Resistance 2

    Single-player alternative to Sin-Cay — playable solo, no multiplayer required. Shares Action and Indie with Sin-Cay.

    A PC first-person shooter game with a short single-player campaign containing 13 maps and several cut-scenes.

    2020ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  7. 7
    Cyberia 2: Resurrection — Steam game cover

    Cyberia 2: Resurrection

    Single-player alternative to Sin-Cay — playable solo, no multiplayer required. Shares Action and Adventure with Sin-Cay.

    Cyberia 2 combines blackout-inducing rail shooter action sequences with puzzle-solving and animated movies.

    2017ActionStrategyAdventure9.99 USDSingle-playerSimilar games →
  8. 8
    Rescue Operation — Steam game cover

    Rescue Operation

    Single-player alternative to Sin-Cay — playable solo, no multiplayer required. Shares Action and Indie with Sin-Cay.

    Is a first-person shooter game. The game will follow the scenario of the game, and destroy the enemies in its path

    2021ActionIndieAdventure3.99 USDSingle-playerSimilar games →