IMHO.

Single-player games like Slorbis: Tower Defense

Below are 8 single-player Steam games similar to Slorbis: 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 Slorbis: Tower Defense page.

Ranked picks

  1. 1
    Seed World — Steam game cover

    Seed World

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

    Seed World is a game that aims to combine automation, conveyor belts, and level progression. The game simplifies automation 'construction' into a series of progress bars, with each progress producing or consuming resources, and players need to manage resources.

    2025StrategyIndieSimulation2.99 USDSingle-playerSimilar games →
  2. 2
    Path Defenders: More Than Just Tower Defense — Steam game cover

    Path Defenders: More Than Just Tower Defense

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

    A single-player MMORPG fused with tower defense. Recruit heroes, Build bizarre but devastating towers, and fight beside them in real-time 3D combat against waves of enemies.

    2026StrategyIndieAdventureSingle-playerSimilar games →
  3. 3
    Waveguard — Steam game cover

    Waveguard

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

    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 →
  4. 4
    One Tower Defense — Steam game cover

    One Tower Defense

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

    One Tower Defense is a Roguelike Tower Defense game where you control a single tower. Gather resources, buy weapons and upgrades, and fight endless waves of enemies. Play in single-player mode or in multiplayer mode, where the last survivor wins.

    2026ActionStrategyIndie9.89 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    REBELLION PRINCESS|リベリオン プリンセス — Steam game cover

    REBELLION PRINCESS|リベリオン プリンセス

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

    Raise your favorite characters and have them ready to fight in the next run! Command beautiful girls to defend the castle and princess A non-reset roguelite × tower defense

    2026ActionStrategy4.79 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Notice Me Leena-senpai! — Steam game cover

    Notice Me Leena-senpai!

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

    Oh no! The Demon Lord is attacking! Help Leena-senpai defend her school and city against the Demon Lords minions!

    2024StrategyIndieRPG7.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Millennium Conflict — Steam game cover

    Millennium Conflict

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

    You are the last survivor. Capture towers, command a squad of unique generals, and battle through 40 missions across 10 distinct worlds as you fight to reclaim a universe that has fallen to the enemy.

    2026ActionStrategyIndie1.59 USDSingle-playerSimilar games →
  8. 8
    Dungeon Chess — Steam game cover

    Dungeon Chess

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

    Dungeon Chess is a turn-based strategy game with roguelike elements where the setting simulates a chessboard.

    2027StrategyIndieRPGSingle-playerSimilar games →