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
    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 →
  4. 4
    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 →
  5. 5
    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 →
  6. 6
    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 →
  7. 7
    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 →
  8. 8
    CATO: Buttered Cat — Steam game cover

    CATO: Buttered Cat

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

    Puzzle platformer where you control both the cat and the toast, based on the famous "Buttered Cat Paradox". The game features 200+ levels, 70+ skins, plus boss fights and mini-games!

    2024IndieAdventureFree To Play10.99 USDDeck VerifiedSingle-playerSimilar games →