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
    Witchtower: Spell Siege — Steam game cover

    Witchtower: Spell Siege

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

    Hand-aim artillery spells, blast a gothic horde into fully simulated pixel gore, and draft 200+ upgrade cards between waves to defend your witchtower. A fast 2D roguelite tower defense. Play solo or in local co-op.

    ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    Withering Age — Steam game cover

    Withering Age

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

    Withering Age is a real-time strategy roguelike set in a dark fantasy, medieval world brimming with magic, danger, and decay. Build and expand your kingdom, train loyal troops and mighty champions, and defend your lands against relentless hordes.

    2028StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    Pattern Survivors: Bullet Hell — Create Chaos — Steam game cover

    Pattern Survivors: Bullet Hell — Create Chaos

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

    “Pattern Survivors: Bullet Hell” — a dynamic roguelike where you design your own attack patterns and defend your tower against endless waves of enemies. Upgrade, modify, and adapt your strategy in real time — can you survive the chaos of patterns?

    2025ActionStrategyIndie0.74 USDSingle-playerSimilar games →
  4. 4
    Chthonian TD — Steam game cover

    Chthonian TD

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

    Fast-paced co-op action roguelite × tower defense. Fight escalating waves, risk resources in a dangerous mine, defeat the boss - then see how long you survive in Endless.

    2026ActionStrategyIndie6.99 USDSingle-playerSimilar games →
  5. 5
    Miner Survivor — Steam game cover

    Miner Survivor

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

    Mine. Build. Survive. Now fight your friends. A fast 2D survivor game where you dig gold, build towers and drones, fight monster hordes, and now duel other players in 1v1 online PvP. Free demo available.

    2026ActionStrategyIndie5.39 USDSingle-playerSimilar games →
  6. 6
    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 →
  7. 7
    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 →
  8. 8
    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 →