IMHO.

Single-player games like Solo Defending

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

Ranked picks

  1. 1
    Defender Of Falyndor — Steam game cover

    Defender Of Falyndor

    Single-player alternative to Solo Defending — playable solo, no multiplayer required. Shares Action and Strategy with Solo Defending.

    Defender OF Falyndor is a First-Person Tower Defense game in Virtual Reality! Take control of your character, towers, and much more to protect Falyndor from waves of invasions to become the ultimate Defender of Falyndor!

    ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    Ironfront Express — Steam game cover

    Ironfront Express

    Single-player alternative to Solo Defending — playable solo, no multiplayer required. Shares Action and Strategy with Solo Defending.

    Upgrade your engine’s arsenal in this bullet hell, tower defense roguelite featuring the most heavily armored locomotive in existence. Engineer and command the Ironfront Express in a unique take on lane defense where you upgrade with specialized turrets, drones, and tactical abilities.

    ActionStrategySingle-playerSimilar games →
  3. 3
    The Last Admiral — Steam game cover

    The Last Admiral

    Single-player alternative to Solo Defending — playable solo, no multiplayer required. Shares Action and Strategy with Solo Defending.

    Command a fleet of warships in turn-based tactical battles. Push through a procedural galaxy, win fights, upgrade your fleet, and grow your empire. Lose a run, keep your ships and upgrades. 4 factions, 7 ship classes, 4 sectors, and endless mode. You are the Last Admiral.

    2026ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Eternal Vigil: Crystal Defender — Steam game cover

    Eternal Vigil: Crystal Defender

    Single-player alternative to Solo Defending — playable solo, no multiplayer required. Shares Action and Strategy with Solo Defending.

    Eternal Vigil is a first-person action fantasy set in a tower defense world. Protect the sacred Crystal from waves of relentless monsters using magical weapons and powerful turrets

    2024ActionStrategyIndie0.99 USDSingle-playerSimilar games →
  5. 5
    HamsterCraft — Steam game cover

    HamsterCraft

    Single-player alternative to Solo Defending — playable solo, no multiplayer required. Shares Action and Strategy with Solo Defending.

    A build-focused tower defense where you craft powerful synergies, experiment with items, and push your strategy through short, highly replayable runs.

    2026ActionStrategyIndie12.99 USDSingle-playerSimilar games →
  6. 6
    Moongrave — Steam game cover

    Moongrave

    Single-player alternative to Solo Defending — playable solo, no multiplayer required. Shares Action and Strategy with Solo Defending.

    Moongrave is a roguelite tower defense. Rebuild your underground city, summon a crystal to the surface to repel hordes of monsters, erect turrets, cast powerful spells, and gather resources to strengthen your village and uncover the secrets of the fallen Moon.

    ActionStrategyIndieSingle-playerSimilar games →
  7. 7
    Stormbridge — Steam game cover

    Stormbridge

    Single-player alternative to Solo Defending — playable solo, no multiplayer required. Shares Action and Strategy with Solo Defending.

    Can you build the longest bridge before the storm catches up? Stormbridge is a roguelite city builder about growth, survival, and watching everything fall apart. Stay ahead of the danger, unlock upgrades between runs, and uncover the storm’s origin.

    2026ActionStrategyIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Wave Defense: Trappist — Steam game cover

    Wave Defense: Trappist

    Single-player alternative to Solo Defending — playable solo, no multiplayer required. Shares Action and Strategy with Solo Defending.

    Gear up and get going! Defend your outposts from waves of alien enemies with your mech. Build and upgrade your base, protecting the extraction of the mysterious planetary system’s rich resources!

    2025ActionStrategyIndie9.99 USDSingle-playerSimilar games →