IMHO.

Single-player games like Poly TD

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

Ranked picks

  1. 1
    ELARIENNE — Steam game cover

    ELARIENNE

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

    ELARIENNE is a defense game built on meticulous calculation and hardcore strategy. A single stroke of luck may shift the tide, but it is the carefully constructed strategy that ultimately decides the battle. Withstand relentless waves and protect the heart of the world of ELARIENNE.

    2025StrategyIndieSimulation7.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Cards and Towers — Steam game cover

    Cards and Towers

    Single-player alternative to Poly TD — playable solo, no multiplayer required. Shares Strategy with Poly TD.

    A roguelike deckbuilder fused with real-time tower defense. Craft your deck, protect your base, slay endless enemies, and survive as long as you can.

    2025StrategyCasual6.99 USDSingle-playerSimilar games →
  3. 3
    Brawl To The West — Steam game cover

    Brawl To The West

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

    "Join this hilarious auto-battler! Equip gear, grow fruit trees, and tame monsters to build your team. Choose unique characters or battle others in ranked mode—every run is fresh! Weaklings perish; victors take all. Will you go the farthest? Dive in now!"

    2025StrategyIndieCasual8.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Wandering Monolith: Rogue TD — Steam game cover

    Wandering Monolith: Rogue TD

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

    You are the Wandering Monolith, falling from the sky. Summon towers, expand the board, defend your core, and build your deck of upgrades to conquer countless worlds.

    StrategyIndieCasualSingle-playerSimilar games →
  5. 5
    Tower Tactics 2 — Steam game cover

    Tower Tactics 2

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

    The fusion of deck-building roguelike and tower defense returns, bigger than ever! Build your deck with powerful new cards, unlock unique trinkets, and deploy enhanced towers to overcome relentless waves of enemies and new strategic challenges.

    2026StrategyIndieSingle-playerSimilar games →
  6. 6
    EverSiege: Untold Ages — Steam game cover

    EverSiege: Untold Ages

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

    Retreating ends here. Defend Bastion against evil hordes, reclaim lost powers, rebuild ancient ruins, and adapt your tactics to reverse the siege. Shape your playstyle in this hero-strategy rogue-lite solo or co-op up to 3 players.

    2026StrategyIndie19.99 USDSingle-playerSimilar games →
  7. 7
    Wireworks — Steam game cover

    Wireworks

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

    Design your defenses, build your module board, and manage your wires. Combine signals and create synergies to empower your weapons and survive in this base-defense roguelike auto-battler.

    2026StrategyIndieSimulation5.59 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Become the Moon — Steam game cover

    Become the Moon

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

    Become the Moon is a challenging, deckbuilding auto battler. Choose from 10 unique characters, each with their own distinct playstyles. Assemble a team of powerful minions & cast cosmic spells where every run takes you one step closer to the moon.

    2025StrategyIndie10.19 USDDeck PlayableSingle-playerSimilar games →