IMHO.

Single-player games like Pixel Fortress: Tower Defense

Below are 16 single-player Steam games similar to Pixel Fortress: 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 Pixel Fortress: Tower Defense page.

Ranked picks

  1. 1
    Queenchantment — Steam game cover

    Queenchantment

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

    The Lich Queen needs your help to achieve her ultimate goal. Ready your troops and set your traps to hold the incoming kingdom soldiers and their allies in a 2D tower defense game!

    2022ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  2. 2
    Countless Army — Steam game cover

    Countless Army

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

    Become the villain and raise an army of undead in this real-time reverse tower defense strategy game. Send waves of monsters to battle and aid them with your evil magic until they break your enemies’ defenses. It’s time for you to rule over the continent with an iron fist as its Dark Lord!

    2024StrategyIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Kingdom Rush  - Tower Defense — Steam game cover

    Kingdom Rush - Tower Defense

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

    Get ready for an epic journey to defend your kingdom against hordes of orcs, trolls, evil wizards and other nasty fiends using a vast arsenal of towers and spells at your command!Fight on forests, mountains and wastelands, customizing your defensive strategy with different tower upgrades and specializations!

    2014Strategy9.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Kingdom Rush Origins - Tower Defense — Steam game cover

    Kingdom Rush Origins - Tower Defense

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

    Command your elven army and defend mystical lands from sea serpents, evil sorcerers, and wave after wave of gnoll tribesman, all with the help of brand-spankin’ new towers, heroes, and spells to fend off every last baddie.

    2018StrategyIndie8.24 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Relic Guardian - Tower Defense — Steam game cover

    Relic Guardian - Tower Defense

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

    "Relic Guardian" is a fantasy style strategy tower defense game. As the builder on the battlefield, summon a variety of defense towers and spells with reliable hero companions to complete this epic and guarding adventure!

    2025StrategyIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Defender's Quest: Valley of the Forgotten (DX edition) — Steam game cover

    Defender's Quest: Valley of the Forgotten (DX edition)

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

    Defender's Quest is a Tower-Defense/RPG Hybrid tightly focuses on three things: tactical depth, customization, and story

    2012StrategyIndieRPG14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    CastleStorm — Steam game cover

    CastleStorm

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

    Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.

    2013ActionStrategyIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Castle Cardians — Steam game cover

    Castle Cardians

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

    Castle Cardians fused card games,roguelike and real time colony defense together. Build your powerful deck, defend the castle and beat invaders.

    2021StrategyIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Scarlett's Dungeon — Steam game cover

    Scarlett's Dungeon

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

    Scarlett's Dungeon is a retro-inspired action RPG dungeon crawler with roguelite elements. Explore randomly generated dungeons, fight monsters, and collect loot in beautifully crafted pixel art reminiscent of the Game Boy Advance era. Test your skills as you dive deep into ever-changing challenges!

    2017ActionIndieAdventure4.99 USDSingle-playerSimilar games →
  10. 10
    Slashvival — Steam game cover

    Slashvival

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

    Slashvival is a third-person action RPG with roguelite elements. Use swords to fight mutant creatures in a medieval low-poly world. Survive intense battles and rescue your family in this thrilling hack-and-slash adventure!

    2020ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  11. 11
    Beastie Land — Steam game cover

    Beastie Land

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

    Beastie Land is a high-speed 2D platformer inspired by 90’s classics. Master precision platforming and explore vibrant levels to discover hidden treasures with your unique beast characters!

    2022ActionIndieAdventure6.99 USDSingle-playerSimilar games →
  12. 12
    Ninja Fights — Steam game cover

    Ninja Fights

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

    Ninja Fights is a 2D side-scrolling adventure where you become a skilled ninja. Navigate through intricate levels with challenging puzzles and hidden treasures, using stealth and shurikens to overcome obstacles and enemies. Master your ninja abilities in this action-packed platformer!

    2022ActionIndieAdventure5.99 USDDeck VerifiedSingle-playerSimilar games →
  13. 13
    Wrecked! Unfair Car Stunts — Steam game cover

    Wrecked! Unfair Car Stunts

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

    Get ready for Wrecked, where racing and chaos collide. Perform outrageous stunts, smash cars, and embrace total destruction. With insane driving and demolition, every race is a thrilling ride into mayhem!

    2022IndieRacing4.99 USDSingle-playerSimilar games →
  14. 14
    Geometry Jump: Impossible Game — Steam game cover

    Geometry Jump: Impossible Game

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

    Geometry Jump is a lightning-fast 3D precision platformer that challenges even the most hardcore gamers. Master rapid jumps and razor-sharp reflexes as you navigate through a relentless maze of obstacles where every second counts!

    2025ActionIndieCasual4.99 USDSingle-playerSimilar games →
  15. 15
    Streets of Rageness: Beat 'Em Up Fighter — Steam game cover

    Streets of Rageness: Beat 'Em Up Fighter

    Single-player alternative to Pixel Fortress: Tower Defense — playable solo, no multiplayer required. Shares Indie and Early Access with Pixel Fortress: Tower Defense.

    Streets of Rageness is a reimagined '90s beat 'em up classic set in a crime-ridden city under the iron grip of a ruthless syndicate. Amid rampant looting, chaos, and destruction, fight through waves of thugs to become the most powerful fighter on the streets!

    2025ActionSportsIndie19.99 USDSingle-playerSimilar games →
  16. 16
    Starship Fighters: Space Combat Simulator — Steam game cover

    Starship Fighters: Space Combat Simulator

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

    Pilot your starship in Starship Fighters, a realistic space combat simulator. Engage in intense battles, explore vast galaxies, and unleash destruction with an arsenal of powerful weapons in a universe teeming with enemies!

    2025ActionIndieAdventure24.99 USDSingle-playerSimilar games →