IMHO.

Single-player games like Dual Core Sync

Below are 8 single-player Steam games similar to Dual Core Sync, 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 Dual Core Sync page.

Ranked picks

  1. 1
    Robot-X — Steam game cover

    Robot-X

    Single-player alternative to Dual Core Sync — playable solo, no multiplayer required. Shares Action and Indie with Dual Core Sync.

    A fast-paced platform shooter inspired by 90s classics. Follow Robot-X on a journey to protect the city from a new danger, fight bosses and jump over pits in this retro experience.

    2022ActionIndieAdventure6.99 USDSingle-playerSimilar games →
  2. 2
    Glorpotron — Steam game cover

    Glorpotron

    Single-player alternative to Dual Core Sync — playable solo, no multiplayer required. Shares Action and Strategy with Dual Core Sync.

    A tower defense roguelike about robots and ooze. Play solo or local multiplayer, protect the Glorp, and defeat the creeps. 

    2026ActionStrategyIndie9.74 USDSingle-playerSimilar games →
  3. 3
    REDSHOT — Steam game cover

    REDSHOT

    Single-player alternative to Dual Core Sync — playable solo, no multiplayer required. Shares Action and Indie with Dual Core Sync.

    Multiplayer Update now available! Quick reflexes and clever strategies are required in REDSHOT, a bullet-time metroidvania where everything is deadly, but you are deadlier. Can you save the royal city from total destruction? ...Can you do it with style?

    2022ActionIndieAdventure7.99 USDSingle-playerSimilar games →
  4. 4
    Primal Planet — Steam game cover

    Primal Planet

    Single-player alternative to Dual Core Sync — playable solo, no multiplayer required. Shares Action and Indie with Dual Core Sync.

    Unveil a heartfelt story of family, dinosaurs, and UFOs! Craft, upgrade, and survive in a realm of primeval predators, savage tribes and... ancient aliens. Rise from a humble cave dweller to the planet’s last hope — alone or in local co-op. Welcome to the dinovania!

    2025ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Cobalt — Steam game cover

    Cobalt

    Single-player alternative to Dual Core Sync — playable solo, no multiplayer required. Shares Action and Indie with Dual Core Sync.

    Forget everything you’ve learned about combat. Cobalt’s slo-mo mechanic lets you perform moves that other games can’t comprehend. Discover the secrets of a distant colony in a cosmic campaign, take on challenges and rule the leaderboards, or face off against others in local and online multiplayer.

    2016ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Frincess&Cnight — Steam game cover

    Frincess&Cnight

    Single-player alternative to Dual Core Sync — playable solo, no multiplayer required. Shares Action and Indie with Dual Core Sync.

    Frincess&Cnight is a single-screen puzzle-platformer game about struggle and love between Frog princess and Cat knight.

    2021ActionIndieAdventure3.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    30XX — Steam game cover

    30XX

    Single-player alternative to Dual Core Sync — playable solo, no multiplayer required. Shares Action and Indie with Dual Core Sync.

    Jump, shoot, and slash your way through 30XX, the roguelike action platformer you can play with a friend! Explore lush, ever-changing worlds that mix precise platforming with fevered combat. Destroy fearsome Guardians. Master unique Powers. Rediscover the thousand years we've lost.

    2023ActionIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Abathor — Steam game cover

    Abathor

    Single-player alternative to Dual Core Sync — playable solo, no multiplayer required. Shares Action and Indie with Dual Core Sync.

    Abathor is a challenging 2D action platformer for solo play or up to 4 players. Embark on an epic 16-bit quest inspired by Golden Axe, Rastan, and Castlevania IV. Traverse Atlantis, battle demons, and defeat vicious bosses to save your progress! Enjoy an amazing OST from classic-era musicians!

    2024ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →