IMHO.

Single-player games like Rescue Dogs vs Aliens Tower Defense

Below are 8 single-player Steam games similar to Rescue Dogs vs Aliens 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 Rescue Dogs vs Aliens Tower Defense page.

Ranked picks

  1. 1
    AGE OF ALIENS — Steam game cover

    AGE OF ALIENS

    Single-player alternative to Rescue Dogs vs Aliens Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with Rescue Dogs vs Aliens Tower Defense.

    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 →
  2. 2
    Afterglow Fortress — Steam game cover

    Afterglow Fortress

    Single-player alternative to Rescue Dogs vs Aliens Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with Rescue Dogs vs Aliens Tower Defense.

    A cute hand-drawn 2D medieval RTS game. Gather resources, build your base, develop by day, and defend against monster hordes at night to protect your realm.

    StrategyIndieSimulationSingle-playerSimilar games →
  3. 3
    Red Rocket Defencism — Steam game cover

    Red Rocket Defencism

    Single-player alternative to Rescue Dogs vs Aliens Tower Defense — playable solo, no multiplayer required. Shares Strategy with Rescue Dogs vs Aliens Tower Defense.

    You, a military officer from our great autocratic motherland, must protect our precious rockets from the evil capitalist enemy in this revolutionary base building strategy game. Bribe! Surveil! Purge! Imbibe! The end justifies the means when you have to protect our invaluable rockets!

    2026ActionStrategyIndie7.03 USDSingle-playerSimilar games →
  4. 4
    D for Defender — Steam game cover

    D for Defender

    Single-player alternative to Rescue Dogs vs Aliens Tower Defense — playable solo, no multiplayer required. Shares Strategy with Rescue Dogs vs Aliens Tower Defense.

    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 →
  5. 5
    Flow Of War — Steam game cover

    Flow Of War

    Single-player alternative to Rescue Dogs vs Aliens Tower Defense — playable solo, no multiplayer required. Shares Strategy with Rescue Dogs vs Aliens Tower Defense.

    A unique blend of base building and wave defense. Workers automatically gather resources and manage your economy while you focus on strategy. Expand and fortify your kingdom, command elite armies, and survive endless procedurally generated enemy waves.

    2026Strategy12.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Brave Meow World — Steam game cover

    Brave Meow World

    Single-player alternative to Rescue Dogs vs Aliens Tower Defense — playable solo, no multiplayer required. Shares Strategy and Casual with Rescue Dogs vs Aliens Tower Defense.

    A lightweight strategy game about controlling cat soldiers to defeat enemies and defend the base

    StrategyIndieAdventureSingle-playerSimilar games →
  7. 7
    ZeroSpace — Steam game cover

    ZeroSpace

    Single-player alternative to Rescue Dogs vs Aliens Tower Defense — playable solo, no multiplayer required. Shares Strategy with Rescue Dogs vs Aliens Tower Defense.

    ZeroSpace is a hybrid sci-fi RTS / RPG game that allows you to play as the commander of The Protectorate, a galactic force dedicated to securing humanity’s place in the galaxy. The Orion sector is locked in a vicious power struggle between many alien factions, ready to fight to the death.

    2026ActionStrategyIndie35.99 USDSingle-playerSimilar games →
  8. 8
    Knights vs Aliens — Steam game cover

    Knights vs Aliens

    Single-player alternative to Rescue Dogs vs Aliens Tower Defense — playable solo, no multiplayer required. Shares Strategy with Rescue Dogs vs Aliens Tower Defense.

    Command knights, aliens, and other historically dubious nations in a free real-time tower conquest game rebuilt from a 2009 iPad original. Grow armies, capture towers, and outmaneuver adaptive AI through 30 campaign levels.

    2026ActionStrategyIndieFreeSingle-playerSimilar games →