IMHO.

Single-player games like League TD

Below are 9 single-player Steam games similar to League 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 League TD page.

Ranked picks

  1. 1
    Guard the Tower! — Steam game cover

    Guard the Tower!

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

    A tower defense game filled with 12 varied levels across 7 biomes and 14 unique monsters with 3 increasingly harder difficulties to challenge even the most experienced of tower defense gamers lurking in their strongholds.

    2024StrategyAdventureEarly Access9.99 USDSingle-playerSimilar games →
  2. 2
    THE LAST DEFENSE! — Steam game cover

    THE LAST DEFENSE!

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

    A classic tower defense game with ordinary graphics didn't fascinate you? Well, let's give a try and see how long you can defend! Show your commanding skills and prove no enemy can break your defense! Be a hero and save humanity with the LAST DEFENSE!

    2021StrategyIndieCasual2.99 USDSingle-playerSimilar games →
  3. 3
    Frontier Fortress - Tower Defense — Steam game cover

    Frontier Fortress - Tower Defense

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

    Frontier Fortress is medieval-themed tower defense game. You are the leader of your nation. In the harsh medieval age you have to defend your land against foreign invaders. Fortify your frontier with defense structures and let none of them pass through your fortress.

    2022StrategySimulation4.99 USDSingle-playerSimilar games →
  4. 4
    Archipelago Luminary — Steam game cover

    Archipelago Luminary

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

    《Archipelago: Luminary》 is a minimalist 2D tower defense game, where players must strategically plan the construction of turrets and manage resources to fend off waves of enemy attacks. Across 14 levels, players fight back continuously—from the last sanctuary to former territories.

    2025Indie1.99 USDSingle-playerSimilar games →
  5. 5
    Thukothea Defender — Steam game cover

    Thukothea Defender

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

    A strategic tower-defense where you control powerfull drones. Unlock new tower and use specific technologies to defend your base on Thukothea!

    2021StrategyIndie4.99 USDSingle-playerSimilar games →
  6. 6
    Endzone Girls — Steam game cover

    Endzone Girls

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

    《Endzone Girls》is a Tower Defense Game. You will collect resources and build fortifications before the zombies arrive to kill the zombies that invade your home. In the game, you will unlock different defensive buildings, create a unique style, defend your home in a world full of zombies.

    2025StrategyIndieSimulation7.99 USDSingle-playerSimilar games →
  7. 7
    Queen's Cards — Steam game cover

    Queen's Cards

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

    Roguelike deck-building strategy game. Combine decks compatible with your chosen playstyle, deliver satisfying damage, and cast powerful spells to defend your territory in this card-themed strategy game.

    2025StrategyIndieCasual5.99 USDSingle-playerSimilar games →
  8. 8
    ArcaneOutpost — Steam game cover

    ArcaneOutpost

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

    A strategy game that combines MOBA and Tower Defence, You would control guardians with different skills,building your outpost to fend off enemy attacks.

    2024ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  9. 9
    Sanctum 2 — Steam game cover

    Sanctum 2

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

    Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.

    2013ActionStrategyIndie14.99 USDDeck VerifiedSingle-playerSimilar games →