IMHO.

Single-player games like Planet TD

Below are 10 single-player Steam games similar to Planet TD, 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 Planet TD page.

Ranked picks

  1. 1
    BattleGrounds : War, Tanks And Nukes — Steam game cover

    BattleGrounds : War, Tanks And Nukes

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    A military styled action tower-defence game filled with nukes, missiles and tanks. Improve your building, canons and tanks. Purchase stronger ammunition and survive the next wave. Highly replayable, tough and addictive.The fun never ends

    2021ActionStrategyIndie4.99 USDSingle-playerSimilar games →
  2. 2
    Seed World — Steam game cover

    Seed World

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    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 →
  3. 3
    Frogrammer — Steam game cover

    Frogrammer

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    Hire the right Frogrammers and fight off the bugs in this tug-of-war strategy auto-battler. Manage your resources, leverage synergies, exploit enemy weaknesses and fight your way to the source of the horde. Hold on to your tadpoles and SQUASH.THE.BUGS.

    StrategyIndieSingle-playerSimilar games →
  4. 4
    Save and Conquer : 8 Years — Steam game cover

    Save and Conquer : 8 Years

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    This is a 2D defense game that depicts the near future that may arise from climate change. Unlike the defense game, which is automatically attacked by traditional turrets, it is an attractive game that requires you to defeat the enemy by operating the turret directly with limited power.

    2022ActionStrategyIndieFreeSingle-playerSimilar games →
  5. 5
    Warpips — Steam game cover

    Warpips

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    Warpips is the ultimate quick to learn but amazingly deep tug-of-war strategy game. Deploy the right composition of soldiers, tanks, helicopters and planes in this tight, streamlined strategy-focused war game. Compose the best army, research the right tech; overwhelm your enemy!

    2022ActionStrategyIndie16.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Toy War - Cannon — Steam game cover

    Toy War - Cannon

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    Control a toy сannon. Shoot the toy soldiers with the toy gun just like you did when you were a kid.

    2023ActionSportsStrategy199.99 USDSingle-playerSimilar games →
  7. 7
    VIETNAM WAR PLATOON 越战排 (AI WAR Game) — Steam game cover

    VIETNAM WAR PLATOON 越战排 (AI WAR Game)

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    This game is a new concept card and flag game with the theme of Vietnam War. It is a light snack game prepared for the leisure transition of players who are tired of playing large-scale games like me and hand injured players. 2020.8.10

    2020StrategyIndieFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  8. 8
    Bees vs Zombees — Steam game cover

    Bees vs Zombees

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    A fast-paced roguelike tower defense where you choose your Queen Bee with unique skills and the Artisan to build turrets and cast powerful spells to defend your hive through regions infested with zombees. Face bosses with insane mechanics and survive the Zumbeecalypse!

    2024StrategyIndieSimulation7.99 USDSingle-playerSimilar games →
  9. 9
    DG2: Defense Grid 2 — Steam game cover

    DG2: Defense Grid 2

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.

    2014StrategyIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Defense Zone — Steam game cover

    Defense Zone

    Single-player alternative to Planet TD — playable solo, no multiplayer required. Shares Strategy and Indie with Planet TD.

    Stunning detail of levels, in-depth gameplay, finely tuned balance of all levels and turrets. During the game you will hold your defense with your turrets against the massive hordes of enemies.

    2014StrategyIndie3.99 USDDeck VerifiedSingle-playerSimilar games →