IMHO.

Single-player games like Air defenders

Below are 12 single-player Steam games similar to Air defenders, 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 Air defenders page.

Ranked picks

  1. 1
    Aim in Space — Steam game cover

    Aim in Space

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Action and Indie with Air defenders.

    Help defend Earth's space base from invading enemy aliens in this incredible game to train reaction and aiming skills. Use your entire arsenal of weapons to destroy enemies of various types. Stand up to protect the planet. Best of luck!

    2024ActionSportsIndie0.69 USDSingle-playerSimilar games →
  2. 2
    SAVE THE UNICORN — Steam game cover

    SAVE THE UNICORN

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Indie with Air defenders.

    Is a sidescroller game in which you need to fly a helicopter piloted by a cute panda, and save falling unicorns from evil opponents

    2021IndieCasual2.99 USDSingle-playerSimilar games →
  3. 3
    IronKnight — Steam game cover

    IronKnight

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Action and Indie with Air defenders.

    The sky roared and the flames of the city continued to burn. The enemy has broken through the line of defense of mankind, and warships from outer space are invading the last home of mankind. Rise up, iron knight, drive your iron car and fight for your protection city.

    2022ActionIndieSimulation1.99 USDSingle-playerSimilar games →
  4. 4
    Warplane Quest — Steam game cover

    Warplane Quest

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Action and Indie with Air defenders.

    Warplane Quest is a WW1 dogfighting game where fast side-scrolling action meets immersive air battles. Fight deadly missions, customize your aircraft, and take to the skies in open-ended free flight.

    ActionIndieSimulationSingle-playerSimilar games →
  5. 5
    THE DREADFUL SPACE — Steam game cover

    THE DREADFUL SPACE

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Action and Indie with Air defenders.

    A fast-paced space war game packed with intense action! Test your reflexes as you dodge enemy fire and strike back using every powerful resource you can find. The combat is dynamic and relentless, challenging your skills as a true space war pilot.

    2022ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  6. 6
    Sky Dominion — Steam game cover

    Sky Dominion

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Action and Indie with Air defenders.

    Sky Dominion is a War Simulation-like shooter where the player has to protect their aircraft, while being attacked from the ground, until the aircraft reaches the end of its capabilities and the round ends. At the end of every round the player can see the score they reached.

    2024ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  7. 7
    Flying Flogger — Steam game cover

    Flying Flogger

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Action and Indie with Air defenders.

    Flying Flogger is an arcade WWII dogfight. It’s a side view fast-paced air combat game with simple controls, minimalist design and smooth animation.

    2021ActionIndie3.99 USDSingle-playerSimilar games →
  8. 8
    Vertical Strike Endless Challenge — Steam game cover

    Vertical Strike Endless Challenge

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Action and Indie with Air defenders.

    A flight-based action game designed to be easy to pick up and enjoy right away, and be playable over short timeframes. Make use of a range of weapons and achieve dangerously high levels of mobility by disabling your Alpha Limiter to spear your way through waves of enemy attacks.

    2017ActionIndieSimulation4.99 USDSingle-playerSimilar games →
  9. 9
    Power Brain Trainer — Steam game cover

    Power Brain Trainer

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Indie and Simulation with Air defenders.

    Effective Brain Training with Power Brain Trainer. A good choice for anyone who wants to develop their mental capacity.

    2019SportsStrategyIndie1.19 USDSingle-playerSimilar games →
  10. 10
    Power Tester — Steam game cover

    Power Tester

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Indie and Simulation with Air defenders.

    Interesting quizzes on various topics. Take the tests and learn a lot. Improve your knowledge.

    2020StrategyIndieSimulation0.83 USDSingle-playerSimilar games →
  11. 11
    Brain Games — Steam game cover

    Brain Games

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Indie and Simulation with Air defenders.

    A collection of popular classic games for brain improved and entertainment.

    2021SportsStrategyIndie0.89 USDSingle-playerSimilar games →
  12. 12
    Powerful Courses — Steam game cover

    Powerful Courses

    Single-player alternative to Air defenders — playable solo, no multiplayer required. Shares Indie and Simulation with Air defenders.

    A good game for learning and self-development. Here you will find a lot of interesting and useful things.

    2023SportsStrategyIndie1.49 USDSingle-playerSimilar games →