IMHO.

Single-player games like Random Core Defense

Below are 8 single-player Steam games similar to Random Core Defense, 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 Random Core Defense page.

Ranked picks

  1. 1
    Pixel Punk — Steam game cover

    Pixel Punk

    Single-player alternative to Random Core Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Random Core Defense.

    Pixel Punk is a strategy tower defence. In pixel Punk you build different turrets that will protect you against the never ending waves.

    2023ActionStrategyIndie1.99 USDSingle-playerSimilar games →
  2. 2
    ARC Alien Raid Combat — Steam game cover

    ARC Alien Raid Combat

    Single-player alternative to Random Core Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Random Core Defense.

    A game based on the classic Tower Defense style, assemble your best combination to overcome obstacles, can you do it?

    2021StrategyIndieCasual0.99 USDSingle-playerSimilar games →
  3. 3
    Stelvyr: Colony Defense — Steam game cover

    Stelvyr: Colony Defense

    Single-player alternative to Random Core Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Random Core Defense.

    Build and defend a space colony where every unit of power and every crew assignment matters. Expand production, research new technologies, shape the battlefield with walls and weapons, and adapt your strategy against alien swarms across nine campaign operations.

    StrategyIndieSimulationSingle-playerSimilar games →
  4. 4
    Void TD — Steam game cover

    Void TD

    Single-player alternative to Random Core Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Random Core Defense.

    Build powerful defenses, collect loot, combine effects, and survive evolving waves from the void in a tower defense game driven by ARPG-inspired buildcrafting and persistent progression.

    ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    Slorbis: Tower Defense — Steam game cover

    Slorbis: Tower Defense

    Single-player alternative to Random Core Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Random Core Defense.

    Immerse yourself in the cozy, minimalist world of Slorbis: Tower Defense. Build towers with unique roles, buy modifiers of varying rarities, collect money, and face the unpredictability of procedurally generated maps as you defend the king from dark spirits.

    2026StrategyIndieCasual4.99 USDSingle-playerSimilar games →
  6. 6
    Final Fort — Steam game cover

    Final Fort

    Single-player alternative to Random Core Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Random Core Defense.

    FinalFort is a survival game with defense as the core gameplay, and when the end comes, you use the last human shelter to constantly dig minerals, build walls and various turrets to defend against the endless zombie army.

    2023StrategyIndieSimulation3.99 USDSingle-playerSimilar games →
  7. 7
    Celestial Sentinel — Steam game cover

    Celestial Sentinel

    Single-player alternative to Random Core Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Random Core Defense.

    This is Xhono overwatch space station. Enemy forces are attacking. All kinds of turrets, space station supports and plugins at your disposal. Please use your resources wisely, build your defense, face against all kinds of enemies, and explore the unknown secrets of Xhono.

    2026StrategyIndieCasualSingle-playerSimilar games →
  8. 8
    Biletide — Steam game cover

    Biletide

    Single-player alternative to Random Core Defense — playable solo, no multiplayer required. Shares Strategy with Random Core Defense.

    An atmospheric tower-defence strategy game about holding back an oozing toxic Tide. A distant mining colony has awakened a living flood that seeps from breaches in the ground. Dig for resources, raise defensive terrain, and burn your way to seal the breaches. Can you survive the Biletide?

    2026Strategy5.39 USDSingle-playerSimilar games →