IMHO.

Single-player games like Flux Tower Defense

Below are 10 single-player Steam games similar to Flux Tower Defense, 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 Flux Tower Defense page.

Ranked picks

  1. 1
    Empire at Risk — Steam game cover

    Empire at Risk

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Flux Tower Defense.

    Expand, conquer and dominate your rivals on dynamic hex maps. Capture regions, secure supply and adapt to every seed. Battle friends or AI in solo and multiplayer matches with up to 8 players and climb the leaderboard.

    2026StrategyIndie3.99 USDSingle-playerSimilar games →
  2. 2
    Galactic Space Guard — Steam game cover

    Galactic Space Guard

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Flux Tower Defense.

    Galactic Space Guard is a turn-based tactics game. Lead your squad of elite soldiers to defend humanity’s space stations, upgrade your squad, prepare for battle, and restore peace across the galaxy!

    2026ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    Conjurers — Steam game cover

    Conjurers

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Flux Tower Defense.

    Defeat the Conjurers. Take their constellations. Conquer the Zodiac. A classic turn-based tactics game where deckbuilding lets players summon Zodiac creatures and hybrids, then steal new constellations by defeating rival Conjurers. Will you become powerful enough to face the Immortal Aquarius?

    2026StrategyIndieDeck VerifiedSingle-playerSimilar games →
  4. 4
    Skelemancer TD — Steam game cover

    Skelemancer TD

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Flux Tower Defense.

    A tower defense game where you command an army of skeleton wizards. Unlock multiple magic skills on each skeleton wizard and switch between them mid-battle. Master fire, ice, lightning, and more to survive increasingly brutal waves of enemies.

    2026ActionStrategyIndie4.49 USDSingle-playerSimilar games →
  5. 5
    Endless Tactics — Steam game cover

    Endless Tactics

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Flux Tower Defense.

    A turn-based tactics roguelite about defending a planetary mining expedition, upgrading your starship, and extracting before alien hordes overrun you.

    2026StrategyIndieSingle-playerSimilar games →
  6. 6
    Azure Infinity — Steam game cover

    Azure Infinity

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required. Shares Strategy with Flux Tower Defense.

    Mecha × Tactics! Azure Infinity is a turn-based tactical JRPG set in a sci‑fi world. As an SRT member of the secret mercenary organization Yggdrasill, you will command the huge humanoid weapon RAIV to carry out a range of missions and confront the crisis approaching this world.

    StrategySingle-playerSimilar games →
  7. 7
    Books of Grandura — Steam game cover

    Books of Grandura

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Flux Tower Defense.

    Play an auto battler, a traditional roguelike or a tower defense and experience the world of Grandura. Reuse what you've learned about the creatures, abilities and items that are found in this world and apply them in different game modes.

    2024ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  8. 8
    Bamorota Defense — Steam game cover

    Bamorota Defense

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Flux Tower Defense.

    Defend the sealstones in a fantasy world! Place towers and cast spells to stop endless waves of monsters in this casual tower defense game.

    2026StrategyIndieCasual3.99 USDSingle-playerSimilar games →
  9. 9
    Kingdom of Ashes - Fallen Era — Steam game cover

    Kingdom of Ashes - Fallen Era

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required. Shares Strategy and Indie with Flux Tower Defense.

    A single-player roguelike deck-builder set in a fallen kingdom. Draft cards, chain elemental resonances, fight through procedural maps of battles, shrines, and bosses. Spend Ash at the Forge for permanent upgrades. Eight heroes, brutal Ascension tiers.

    2026StrategyIndie8.09 USDSingle-playerSimilar games →
  10. 10
    Shadow Runner — Steam game cover

    Shadow Runner

    Single-player alternative to Flux Tower Defense — playable solo, no multiplayer required.

    A fast, brutal katana action-roguelike. Chain combos, dive-cancel through 23 nightmare foes across 12 descending chapters. Curses, loot, and endless mode reshape every run. One blade. No retreat.

    2026ActionSingle-playerSimilar games →