IMHO.

Single-player games like Cluster - Roguelike Tower Defense

Below are 8 single-player Steam games similar to Cluster - Roguelike Tower 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 Cluster - Roguelike Tower Defense page.

Ranked picks

  1. 1
    The Last Admiral — Steam game cover

    The Last Admiral

    Single-player alternative to Cluster - Roguelike Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with Cluster - Roguelike Tower Defense.

    Command a fleet of warships in turn-based tactical battles. Push through a procedural galaxy, win fights, upgrade your fleet, and grow your empire. Lose a run, keep your ships and upgrades. 4 factions, 7 ship classes, 4 sectors, and endless mode. You are the Last Admiral.

    2026ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    Sivers — Steam game cover

    Sivers

    Single-player alternative to Cluster - Roguelike Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with Cluster - Roguelike Tower Defense.

    Sivers is an RPG-roguelike with a unique style, where waves of enemies test your strategy. Use spells and build defenses, develop your hero, and fight bosses and varied foes. Victory on the first try is unlikely — every attempt brings you closer to success!

    ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    Mechs V Kaijus 2 — Steam game cover

    Mechs V Kaijus 2

    Single-player alternative to Cluster - Roguelike Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with Cluster - Roguelike Tower Defense.

    Mechs V Kaijus 2 is an Hybrid Tower/Base defense, with army vs army (tug of war style) tactics. From the cockpit of a mech, to build a huge base with Reactors, Mines and all type of tower army factories and super weapons. 

    ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Arms of God — Steam game cover

    Arms of God

    Single-player alternative to Cluster - Roguelike Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with Cluster - Roguelike Tower Defense.

    Gear up for a battle through hell in this roguelite Bullet Heaven Arena Autoshooter with Doom-inspired gore vibes, metal music, and a satisfying combat feel. Wield five weapons at once, upgrade and merge them to forge indestructible builds, and bring divine justice to a world on the brink of chaos.

    2026ActionIndieRPGSingle-playerSimilar games →
  5. 5
    Wings of Seduction: Bust 'em out! — Steam game cover

    Wings of Seduction: Bust 'em out!

    Single-player alternative to Cluster - Roguelike Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with Cluster - Roguelike Tower Defense.

    Clothing Damage + Survivor + Gear Mods >>> A woman is in danger! Do what must be done… Rip her clothes off! Oh, get your mind out of the gutter, it's the only way to save the world! Grab awesome weapons, sick skills and gear, and get ready for a unique, roguelike shoot-em-up each time you play!

    2024ActionIndieAdventure7.79 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Genome Guardian 2 — Steam game cover

    Genome Guardian 2

    Single-player alternative to Cluster - Roguelike Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with Cluster - Roguelike Tower Defense.

    COMBINE WEAPONS in the microscopic shooter with macroscopic depth. BUILD YOUR NANOBOT from hundreds of parts. SURVIVE the microbial onslaught once more in this psychedelic dive to the Abyss, full of mutations, minerals, anomalies and powerup polyps. SHMUP mode turns it into a vertical shoot 'em up!

    2026ActionIndieRPG15.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Demon Lord: Just a Block — Steam game cover

    Demon Lord: Just a Block

    Single-player alternative to Cluster - Roguelike Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with Cluster - Roguelike Tower Defense.

    Seek revenge on fantasy heroes as a reborn Demon Lord! Dive into this satisfying roguelite action game where the world only moves when you do. Plan your moves step by step or play swiftly with quick dodges and parries, colliding with enemies to land powerful attacks!

    2026ActionStrategyIndie11.69 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Galactic Vault — Steam game cover

    Galactic Vault

    Single-player alternative to Cluster - Roguelike Tower Defense — playable solo, no multiplayer required. Shares Action and Indie with Cluster - Roguelike Tower Defense.

    Build your weapon to its full potential in Galactic Vault, a fast-paced FPS roguelite. Discover endless upgrade combinations, craft diverse builds, and unleash devastating abilities. Get ready to infiltrate high-security vaults and recover lost tech.

    2026ActionIndie19.99 USDSingle-playerSimilar games →