IMHO.

Single-player games like Heroic Assault

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

Ranked picks

  1. 1
    Bulwark Tower Defense — Steam game cover

    Bulwark Tower Defense

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

    Bulwark Tower Defense is a competitive team tower-defense: wall your lane with auto-fighting units to hold back the waves, then spend essence to send monsters that break your rivals' defenses. Grow your economy, upgrade a shared King, and outlast the enemy team across 1v1–4v4.

    2026StrategyIndie17.99 USDSingle-playerSimilar games →
  2. 2
    Flameward — Steam game cover

    Flameward

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

    A tower defense on the move. Escort the last flame through a sunless world, command a mounted hero, and play cards to deploy troops and spells. Dodge deadly attacks, break ambushes, and upgrade your deck for the road ahead.

    2026ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    For Our King — Steam game cover

    For Our King

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

    A medieval Tower Defense x Autobattler Roguelite. Defend your Keep across escalating waves, recruit different unit types, and cast spells from different Schools of Magic. Spend what you earn on a skill tree with over 300 upgrades, and place them on a Decree Bar with many unique modifiers and mults.

    2026ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Freestead Castle Defense — Steam game cover

    Freestead Castle Defense

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

    Build up your defenses, fortify your camp and fight back the demon horde that has come to take what little you have left.

    StrategyIndieCasualSingle-playerSimilar games →
  5. 5
    Fortress of the Fallen — Steam game cover

    Fortress of the Fallen

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

    Build by day. Survive by night. A focused medieval tower defense where every decision is permanent.

    2026Strategy2.99 USDSingle-playerSimilar games →
  6. 6
    Odin's Fate — Steam game cover

    Odin's Fate

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

    Discover Norse mythology in a story-driven Tower Defense game. Defeat hordes of enemies, develop your abilities, unlock new heroes, recruit Einherjar, manipulate time, and change your fate, Odin, son of Bor! Will you manage to stop the impending Ragnarök?

    2027ActionStrategyIndieSingle-playerSimilar games →
  7. 7
    Tower Defense: Defender of the Kingdom — Steam game cover

    Tower Defense: Defender of the Kingdom

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

    Defender of the Kingdom: Tower Defense is a colorful medieval tower defense strategy game where orcs and their horde attacked the kingdom and now the fate of the kingdom is in your hands, defenders!

    2019StrategyIndieCasual2.99 USDSingle-playerSimilar games →
  8. 8
    Waveguard — Steam game cover

    Waveguard

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

    A roguelike tower defense where every run reshapes your strategy. Build your team of towers, combine more than 80 artifacts, and explore a pixel-art world while taking on ever tougher challenges and bosses.

    StrategySingle-playerSimilar games →