IMHO.

Single-player games like Runeroots TD

Below are 10 single-player Steam games similar to Runeroots 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 Runeroots TD page.

Ranked picks

  1. 1
    Tower Dominion — Steam game cover

    Tower Dominion

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

    Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!

    2025Strategy17.49 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Dawnfolk — Steam game cover

    Dawnfolk

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

    Dawnfolk is a charmingly dark, casual and puzzly survival building game. Gather resources, rebuild your realm, and protect your people from oppressive shadows. Can you unveil the secrets of the monoliths and bring light back to the world?

    2025StrategyCasual14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Deck of Haunts — Steam game cover

    Deck of Haunts

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

    Deck of Haunts invites you to become a malevolent Haunted House. Lure humans into your cursed halls, manipulate their fears, and drain their essence to grow your power. Use strategy to build your mansion and expand your dark influence, turning your home into a terrifying, inescapable nightmare.

    2025StrategyIndieSimulation10.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Mech Armada — Steam game cover

    Mech Armada

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

    Create and command custom Mechs to outmaneuver The Swarm in this post-apocalyptic tactical turn-based rogue-lite. Leverage the terrain, learn each Mech's unique skills and use strategy and resources to survive an ever-changing series of battles to give humanity hope.

    2022StrategyIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Mineral Defense — Steam game cover

    Mineral Defense

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

    Mineral Defense combines tower defense with roguelite elements and procedural generation. Build paths, unlock upgrades, and unleash powerful synergies to conquer evolving challenges in an ever-expanding world.

    2024StrategyIndieCasual14.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Dream Engines: Nomad Cities — Steam game cover

    Dream Engines: Nomad Cities

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

    A survival city-building game with flying cities. Build, automate, and defend a flying city that travels between procedurally generated maps to survive in a wacky, nightmare-infested, post-apocalyptic world full of strange science and dreams.

    2024StrategyIndieSimulation29.99 USDSingle-playerSimilar games →
  7. 7
    Deep Among the Swarm — Steam game cover

    Deep Among the Swarm

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

    Deep Among the Swarm is a challenging survival RTS roguelite about surviving against thousands of enemies. Drill ever deeper underground while fighting the endless onslaught of the Swarm. Can you save humanity?

    2024Strategy8.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Rogue Tower — Steam game cover

    Rogue Tower

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

    Rogue Tower is a tower defense game with roguelike elements and a continuously expanding path which you can influence. Unlock, build, upgrade, expand, defend.

    2022StrategyCasual14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Slay the Spire — Steam game cover

    Slay the Spire

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

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Sanctum 2 — Steam game cover

    Sanctum 2

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