IMHO.

Single-player games like Defensurvivor

Below are 8 single-player Steam games similar to Defensurvivor, 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 Defensurvivor page.

Ranked picks

  1. 1
    Zomboard — Steam game cover

    Zomboard

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

    Zomboard is a post-apocalyptic colony sim and base defense game. Start with a few survivors, build your settlement, and fortify defenses to survive overwhelming zombie hordes.

    2025StrategyIndieSimulation7.99 USDSingle-playerSimilar games →
  2. 2
    Fighting for Land / 打怪兽抢领地 — Steam game cover

    Fighting for Land / 打怪兽抢领地

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

    "Fighting for Land" is a casual roguelite tower defense game that blends randomized card draws, randomized power-ups, and territory-coloring.

    2025StrategyIndieCasual3.99 USDSingle-playerSimilar games →
  3. 3
    Now Open! Horror House — Steam game cover

    Now Open! Horror House

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

    This is a simulation management and tower defense type game where players take on the role of a "Horror House Owner". Using various mechanisms and props, players aim to scare off visitors who come to challenge the "Horror House", gradually expanding and strengthening the business.

    2024StrategyIndieSimulation1.99 USDSingle-playerSimilar games →
  4. 4
    Kooky Kids Fort Defense — Steam game cover

    Kooky Kids Fort Defense

    Single-player alternative to Defensurvivor — playable solo, no multiplayer required. Shares Strategy and Casual with Defensurvivor.

    Tower Defense x Roguelite! Recruit Kids with branching Elite paths, use powerful Items, and gain randomized strategic Perks to defend your Fort against the Brats! Various challenging environments, Brats, and Bosses await you and the Kooky Kids.

    2024StrategyCasual14.99 USDSingle-playerSimilar games →
  5. 5
    The Catalyst Acolyte Tower Defense — Steam game cover

    The Catalyst Acolyte Tower Defense

    Single-player alternative to Defensurvivor — playable solo, no multiplayer required. Shares Strategy and Simulation with Defensurvivor.

    Defend the Catalyst Crystal against adorable yet menacing bugs in The Catalyst Acolyte. Strategically construct defenses in handcrafted levels, aided by helpful items every 10 waves. Engaging gameplay and charming visuals make for an addictive tower defense adventure.

    2025StrategySimulationRPG4.99 USDSingle-playerSimilar games →
  6. 6
    Tomb Of AnuBI0S — Steam game cover

    Tomb Of AnuBI0S

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

    Tomb of AnuBI0S is an unique 2D tower defense-platformer with an Egyptian Sci-fi setting. Defend the AI deity RAm from waves of undead "Organics." Upgrade your arsenal from weapons to walls, turrets, and your player capabilities. Immerse yourself in meticulously crafted levels and defend RAm!

    2023ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  7. 7
    Hormone Wars - Tower Defense — Steam game cover

    Hormone Wars - Tower Defense

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

    Do you like Tower Defense games with Strategy elements? Well, look no further! We've got exactly what you're looking for! Get ready to defend your settlement from enemies using a huge arsenal of towers!

    2021StrategyIndieAdventure9.99 USDSingle-playerSimilar games →
  8. 8
    Creeping Dusk — Steam game cover

    Creeping Dusk

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

    Creeping Dusk is a tower defense game. Build a town around an abandoned gold mine and defend against monsters that swarm the area. Fortify your defenses, and prepare for the increasingly challenging nights. Will you be able to protect your town from the encroaching darkness?

    2024StrategyIndie5.99 USDDeck PlayableSingle-playerSimilar games →