IMHO.

Single-player games like Tower Survivors: Fortress

Below are 10 single-player Steam games similar to Tower Survivors: Fortress, 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 Tower Survivors: Fortress page.

Ranked picks

  1. 1
    Castle And Cursor — Steam game cover

    Castle And Cursor

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Action and Strategy with Tower Survivors: Fortress.

    Do you like Tower Defense and also clicking the cursor? Then defend your castle with itself and with your cursor. Each castle has its own unique upgrades. Complete stages unlock different castles and upgrade your cursor skills.

    2026ActionStrategyIndie6.99 USDSingle-playerSimilar games →
  2. 2
    Pattern Survivors: Bullet Hell — Create Chaos — Steam game cover

    Pattern Survivors: Bullet Hell — Create Chaos

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Action and Strategy with Tower Survivors: Fortress.

    “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 →
  3. 3
    Idle Survivor — Steam game cover

    Idle Survivor

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Action and Indie with Tower Survivors: Fortress.

    Your ship is stranded and cannot move. Something out here has woken up, and it breeds faster than you can kill it. All you can do is upgrade your arsenal and fight back, wave after wave, for as long as you can hold.

    ActionIndieRPGSingle-playerSimilar games →
  4. 4
    Incrempire — Steam game cover

    Incrempire

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Action and Strategy with Tower Survivors: Fortress.

    Defend. Upgrade. Dominate. A relaxing incremental base-defense game, packed with powerful skills and a deep skill tree.

    2026ActionStrategyIndie5.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Arena 5 — Steam game cover

    Arena 5

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Indie with Tower Survivors: Fortress.

    Arena 5 reinvents survival: command an entire squad, not a single hero. Collect loot with your cursor, position your units, and turn the tide with tactical abilities. Between waves, strengthen your team with items, relics and evolutions across increasingly deadly arenas.

    IndieCasualSingle-playerSimilar games →
  6. 6
    SnekromancY — Steam game cover

    SnekromancY

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Action and Strategy with Tower Survivors: Fortress.

    Slither, devour, and raise an undead army in a snake-meets-bullet-heaven action roguelite. Stack minions and unique relics, survive massive hordes, and conquer procedurally generated dungeons.

    2026ActionStrategyIndie5.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    For Our King — Steam game cover

    For Our King

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Action and Strategy with Tower Survivors: Fortress.

    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 →
  8. 8
    Ballwark: Pinball Siege — Steam game cover

    Ballwark: Pinball Siege

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Action and Indie with Tower Survivors: Fortress.

    Pinball meets Vampire Survivors in this dopamine-packed arcade roguelite! Launch enchanted balls, build deadly machines, and forge powerful synergies to crush relentless hordes.

    2026ActionIndieCasualSingle-playerSimilar games →
  9. 9
    Realms Cup — Steam game cover

    Realms Cup

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Strategy and Indie with Tower Survivors: Fortress.

    Fantasy football meets deck-building. Build your fantasy football squad from 120+ unique cards across Human, Orc, Elf, and Dwarf races. Open packs, level up your roster, and win the coveted Realms Cup to become the ultimate champion of the Realms!

    2026SportsStrategyIndie2.79 USDSingle-playerSimilar games →
  10. 10
    Soulreign — Steam game cover

    Soulreign

    Single-player alternative to Tower Survivors: Fortress — playable solo, no multiplayer required. Shares Strategy with Tower Survivors: Fortress.

    An indie soul-collector online RPG with inventory based auto-combat in the Backpack Battles lineage. Find and bind legendary souls, arrange their item grid, then watch the team fight. 25+ regions, a roguelite Descent, ranked PvP. Buy once, no pay-to-win. Join now and shape the future of the game!

    2026StrategyRPG7.99 USDSingle-playerSimilar games →