IMHO.

Single-player games like Beast Bastion

Below are 8 single-player Steam games similar to Beast Bastion, 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 Beast Bastion page.

Ranked picks

  1. 1
    Eye Of The Summoner — Steam game cover

    Eye Of The Summoner

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

    You are the Eye of the Summoner. Protect your tower from the fiendish hordes of paladins attempting to destroy it. Summon your beloved creatures of the darkness and fight to keep the flame of your beacon alive for as long as possible.

    2025ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  2. 2
    Rogue 'n' Roll: Dice of Fate — Steam game cover

    Rogue 'n' Roll: Dice of Fate

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

    A dark dice-based roguelike where every roll shapes your fate. Build powerful dice synergies, collect relics, and survive brutal turn-based battles in a world ruled by chance.

    2026ActionStrategyIndie4.49 USDSingle-playerSimilar games →
  3. 3
    BLOOD RITE — Steam game cover

    BLOOD RITE

    Single-player alternative to Beast Bastion — playable solo, no multiplayer required. Shares Action and Indie with Beast Bastion.

    A gruesome human resources game. Mine gems to spawn new minions. Sacrifice these minions to keep ahead of the fire. Then use their blood for special powers like shields, power-ups, and daggers to defeat incoming foes. Towers will turn minions into archers, electrocutioners or human crossbow bolts.

    2023ActionIndieSimulation4.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Sivers — Steam game cover

    Sivers

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

    Sivers is an RPG-roguelike with a unique style, where waves of enemies test your strategy. Use spells and build defenses, develop your hero, and fight bosses and varied foes. Victory on the first try is unlikely — every attempt brings you closer to success!

    2026ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    Dark Sorcery — Steam game cover

    Dark Sorcery

    Single-player alternative to Beast Bastion — playable solo, no multiplayer required. Shares Action and Indie with Beast Bastion.

    Dark Sorcery is a dark fantasy roguelite where you battle endless hordes, unlock powerful upgrades, and create devastating builds. Master movement, teleportation, and strategy to survive increasingly dangerous enemy waves.

    ActionIndieAdventureSingle-playerSimilar games →
  6. 6
    Castlewatch — Steam game cover

    Castlewatch

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

    Castlewatch is a classical Tower Defense Game

    2023ActionStrategyIndie2.99 USDSingle-playerSimilar games →
  7. 7
    Dangerous Arena — Steam game cover

    Dangerous Arena

    Single-player alternative to Beast Bastion — playable solo, no multiplayer required. Shares Action and Indie with Beast Bastion.

    The arena is not a place for the weak. Choose wisely those who will fight!

    2024ActionIndieAdventure1.49 USDSingle-playerSimilar games →
  8. 8
    Space Annihilator — Steam game cover

    Space Annihilator

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

    Command a powerful space warship and fight your way through relentless waves of enmy ships and bases to achieve the ultimate victory!

    2026ActionStrategySingle-playerSimilar games →