IMHO.

Single-player games like To Save A Planet

Below are 8 single-player Steam games similar to To Save A Planet, 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 To Save A Planet page.

Ranked picks

  1. 1
    Quantum Fight : Aero 2299 — Steam game cover

    Quantum Fight : Aero 2299

    Single-player alternative to To Save A Planet — playable solo, no multiplayer required. Shares Action and Strategy with To Save A Planet.

    Become the champion of the ultimate galactic show in this intense blend of Tower Defense and tactical assault. Manage resources in real-time, deploy your AI squads, and annihilate your rivals before billions of spectators in Quantum Fight: Aero 2299.

    ActionSportsStrategySingle-playerSimilar games →
  2. 2
    MannyTD — Steam game cover

    MannyTD

    Single-player alternative to To Save A Planet — playable solo, no multiplayer required. Shares Action and Strategy with To Save A Planet.

    Manny TD is a hybrid tower defense and third-person shooter with random in game elements. Join and get your personal high score!

    2022ActionStrategyEarly Access2.99 USDSingle-playerSimilar games →
  3. 3
    VALDIS — Steam game cover

    VALDIS

    Single-player alternative to To Save A Planet — playable solo, no multiplayer required. Shares Action and Strategy with To Save A Planet.

    Valdis est un hybride dynamique tower defense et third-person shooter en univers sci-fi. Défendez le noyau énergétique d’une station spatiale contre des vagues de zombies, combinez tourelles et éléments, déclenchez des réactions dévastatrices et survivez avec votre fusil à pompe !

    ActionStrategyIndieSingle-playerSimilar games →
  4. 4
    Neural Defense — Steam game cover

    Neural Defense

    Single-player alternative to To Save A Planet — playable solo, no multiplayer required. Shares Action and Strategy with To Save A Planet.

    Neural Defense is a sci-fi Tower Defense where you can sync with any of your towers and take manual control in third-person to defend your base against waves of corporate drones.

    ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    JUST A GAME — Steam game cover

    JUST A GAME

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

    "Just a Game" is a sci-fi flying shooting game, you will control the robot protagonist zero and lead the partners in this exclusion of artificial intelligence in the world to survive, there are many camps in the game, you can choose to join them or one side.Build your fleet and fight the world.

    2020StrategyIndieAdventure1.99 USDSingle-playerSimilar games →
  6. 6
    The Wraith of the Galaxy — Steam game cover

    The Wraith of the Galaxy

    Single-player alternative to To Save A Planet — playable solo, no multiplayer required. Shares Action and Strategy with To Save A Planet.

    The Wraith of the Galaxy is a third-person space combat game. Aliens have taken over outer space in order to conduct experiments on entire planets. Destroy them or they will destroy you.

    2023ActionStrategyIndie11.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Plants vs. Zombies: Battle for Neighborville™ — Steam game cover

    Plants vs. Zombies: Battle for Neighborville™

    Single-player alternative to To Save A Planet — playable solo, no multiplayer required. Shares Action and Strategy with To Save A Planet.

    Kick some grass in Plants vs. Zombies: Battle for Neighborville, the wackiest shooter yet!

    2020ActionStrategyCasual8.99 USDSingle-playerSimilar games →
  8. 8
    Hell Division — Steam game cover

    Hell Division

    Single-player alternative to To Save A Planet — playable solo, no multiplayer required. Shares Action and Indie with To Save A Planet.

    Hell Division is a game from the 3rd person, which is a battle of combat drones.

    2022ActionIndieAdventure13.99 USDSingle-playerSimilar games →