IMHO.

Single-player games like Nozie Tower Defense XL

Below are 8 single-player Steam games similar to Nozie Tower Defense XL, 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 Nozie Tower Defense XL page.

Ranked picks

  1. 1
    D for Defender — Steam game cover

    D for Defender

    Single-player alternative to Nozie Tower Defense XL — playable solo, no multiplayer required. Shares Action and Strategy with Nozie Tower Defense XL.

    A Tower Defense with no respite, no waves, no end. Facing monsters that learn from your placements and adapt in real time to every one of your weaknesses, build and upgrade your defenses freely to create the perfect trap.

    2026ActionStrategyIndieSingle-playerSimilar games →
  2. 2
    OUTWORKS — Steam game cover

    OUTWORKS

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

    Build a towering 3D fortress and hold the line. Stack floors, raise walls, and place turrets by altitude to survive escalating swarms of ground and flying machines closing on your core — then watch one collapsing tower take everything with it. A lean, neon, code-built base-defense roguelite.

    2026StrategyIndieSimulation4.24 USDSingle-playerSimilar games →
  3. 3
    AGE OF ALIENS — Steam game cover

    AGE OF ALIENS

    Single-player alternative to Nozie Tower Defense XL — playable solo, no multiplayer required. Shares Action and Strategy with Nozie Tower Defense XL.

    On an alien world, you must defend yourself in this unique base-building tower-defense game. Build a base by placing blocks, turrets and traps in order to survive the hoards of aliens.

    ActionStrategyCasualSingle-playerSimilar games →
  4. 4
    Phyto — Steam game cover

    Phyto

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

    Grow and evolve 32 different plants in this tower defense! Unlock new skills an units by finding seeds throughout 100 levels. Replay each map as much as possible, to push the challenge and rewards even further!

    2024StrategyIndieCasual6.99 USDSingle-playerSimilar games →
  5. 5
    Country Tales 2: New Frontiers Collector's Edition — Steam game cover

    Country Tales 2: New Frontiers Collector's Edition

    Single-player alternative to Nozie Tower Defense XL — playable solo, no multiplayer required. Shares Strategy and Casual with Nozie Tower Defense XL.

    Join the new sheriff in town, forge strong friendships and explore the Wild West in this fun and dynamic time management strategy game! Enjoy in dozens of unique levels, bonus levels, medals and collectables; build, upgrade, trade, collect, clear the road, explore and much more...

    2024StrategySimulationCasual14.99 USDSingle-playerSimilar games →
  6. 6
    Thrower Defense — Steam game cover

    Thrower Defense

    Single-player alternative to Nozie Tower Defense XL — playable solo, no multiplayer required. Shares Action and Strategy with Nozie Tower Defense XL.

    Carry and throw your units into position, resupply their ammunition, and defend against waves of enemies in this chaotic couch co-op tower defense for up to 4 players.

    ActionStrategyIndieSingle-playerSimilar games →
  7. 7
    Little Kingdom RTS — Steam game cover

    Little Kingdom RTS

    Single-player alternative to Nozie Tower Defense XL — playable solo, no multiplayer required. Shares Action and Strategy with Nozie Tower Defense XL.

    Little Kingdom RTS is an indie real-time strategy game set in a medieval fantasy world. Gather resources, build settlements, raise walls, and grow your small kingdom. Command an army of knights, archers, and mages to fight off rival kingdoms, orcs, and undead.

    2025ActionStrategyIndie1.24 USDSingle-playerSimilar games →
  8. 8
    Doomsday Tower Defense — Steam game cover

    Doomsday Tower Defense

    Single-player alternative to Nozie Tower Defense XL — playable solo, no multiplayer required. Shares Action and Strategy with Nozie Tower Defense XL.

    Challenging tower defense game with 20 levels. Can be completed under 2-3 hours. Kill zombies in a doomsday vibe. Discover your own strategy to beat the horde. No fluff, no story, no BS.

    2025ActionStrategySimulation15.99 USDSingle-playerSimilar games →