IMHO.

Single-player games like Zombie Tower Survivor

Below are 8 single-player Steam games similar to Zombie Tower Survivor, 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 Zombie Tower Survivor page.

Ranked picks

  1. 1
    Abyss Horde — Steam game cover

    Abyss Horde

    Single-player alternative to Zombie Tower Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Zombie Tower Survivor.

    Darkness tears reality apart. Hordes of beasts, monsters, and abyssal demons surge from the depths mindless, driven only by destruction. Adventurer, the line needs you! In 《Abyss Horde》, defend against ever-stronger waves. Every run builds a new defense; every upgrade shifts the tide.

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

    Incrempire

    Single-player alternative to Zombie Tower Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Zombie Tower Survivor.

    Defend. Upgrade. Dominate. A relaxing incremental base-defense game, packed with powerful skills and a deep skill tree.

    2026ActionStrategyIndie5.99 USDSingle-playerSimilar games →
  3. 3
    Space Annihilator — Steam game cover

    Space Annihilator

    Single-player alternative to Zombie Tower Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Zombie Tower Survivor.

    Command a powerful space warship and fight your way through relentless waves of enemy ships and bases to achieve the ultimate victory!

    2026ActionStrategySingle-playerSimilar games →
  4. 4
    Withering Age — Steam game cover

    Withering Age

    Single-player alternative to Zombie Tower Survivor — playable solo, no multiplayer required. Shares Strategy with Zombie Tower Survivor.

    Withering Age is a real-time strategy roguelike set in a dark fantasy, medieval world brimming with magic, danger, and decay. Build and expand your kingdom, train loyal troops and mighty champions, and defend your lands against relentless hordes.

    2028StrategyIndieSimulationSingle-playerSimilar games →
  5. 5
    Ghosts Keep Out — Steam game cover

    Ghosts Keep Out

    Single-player alternative to Zombie Tower Survivor — playable solo, no multiplayer required. Shares Strategy with Zombie Tower Survivor.

    Defend your base in this Roguelite survival shooter TD! Mix random skills + evolve gems to craft your Build. 5-min fast rounds, intense zombie & ghost hordes. Triple progression: Spirits, guns, heroes. Easy to learn, hard to put down. Low barrier, high ceiling. Every run is fresh!

    2026StrategyIndieCasual2.79 USDSingle-playerSimilar games →
  6. 6
    SinSiege — Steam game cover

    SinSiege

    Single-player alternative to Zombie Tower Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Zombie Tower Survivor.

    SinSiege is a action rogue-like/tower defense hybrid set in Hell, where humanity's embassies is under siege. Play as legendary heroes, build divine defenses, and face off against waves of demons corrupted by the Seven Sins in a battle to protect mankind’s final haven in hell.

    ActionStrategySingle-playerSimilar games →
  7. 7
    Gothic Hell: Survivors — Steam game cover

    Gothic Hell: Survivors

    Single-player alternative to Zombie Tower Survivor — playable solo, no multiplayer required. Shares Action with Zombie Tower Survivor.

    Break the game. We won't stop you. Fuse spells into synergies that erase the swarm, climb gothic arenas where bosses wait above and secrets hide below, then drag your haul home and build something worse. A bullet heaven roguelite where stupidly overpowered is the goal.

    ActionIndieRPGSingle-playerSimilar games →
  8. 8
    For The Witch — Steam game cover

    For The Witch

    Single-player alternative to Zombie Tower Survivor — playable solo, no multiplayer required. Shares Action and Strategy with Zombie Tower Survivor.

    For The Witch is a cute fantasy top-down bullet heaven defense game. Protect a sleeping witch from mosquito swarms, develop both the guardian and the witch, combine mechanic-changing items, and awaken them into new effects to survive each night.

    ActionStrategyIndieSingle-playerSimilar games →