IMHO.

Single-player games like After Wave: Downfall

Below are 11 single-player Steam games similar to After Wave: Downfall, 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 After Wave: Downfall page.

Ranked picks

  1. 1
    Boing Bang Adventure — Steam game cover

    Boing Bang Adventure

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    Boing Bang Adventure is a 2D arcade game in the style of the classic arcade game "Pang" Face almost 50 levels, in 8 different world in single player or in local co-op!

    2023ActionIndieAdventure5.99 USDSingle-playerSimilar games →
  2. 2
    Hellcrackers — Steam game cover

    Hellcrackers

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    Hellcrackers is a survivors-like you can play solo or with up to 8 friends locally. Fight waves of monsters, and buy upgrades from the coins you collect! If you are a few coins short you can always accept curses for some extra cash!

    2025ActionCasual2.99 USDSingle-playerSimilar games →
  3. 3
    Alien Hominid HD — Steam game cover

    Alien Hominid HD

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    The 2D side-scrolling shooter from The Behemoth is back! With your mighty blaster and a group of mysterious kids by your side, destroy the agency and reclaim your spaceship!

    2023ActionIndie11.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Ninjin: Clash of Carrots — Steam game cover

    Ninjin: Clash of Carrots

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    Ninjin: Clash of Carrots is an anime-inspired beat-em-up with varied enemies and deep customization. Play as the rabbit Ninjin, or Akai, the ninja fox, and fight to retrieve the carrots stolen by Shogun Moe! Redeem carrots for weapons, upgrades and more! Supports 2-player online or local co-op.

    2018ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Guns, Gore & Cannoli — Steam game cover

    Guns, Gore & Cannoli

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    Guns, Gore & Cannoli - An over-the-top, comical and fast-paced action game with hand-drawn graphics set in the Roaring Twenties. An all-you-can-shoot fest where you embody Vinnie, a mobster with a mission in a city controlled by gangsters and plagued by zombies. Featuring up to 4-man local co-op.

    2015ActionIndie9.99 USDSingle-playerSimilar games →
  6. 6
    Captain Tsubasa: Rise of New Champions — Steam game cover

    Captain Tsubasa: Rise of New Champions

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    Captain Tsubasa: Rise of New Champions is an arcade football game bringing a refreshing look to the football genre with the exhilarating action and over the top shots that made the license famous. Defy The Laws of Football Become Legend

    2020ActionSportsRPG9.99 USDSingle-playerSimilar games →
  7. 7
    EARTH DEFENSE FORCE: IRON RAIN — Steam game cover

    EARTH DEFENSE FORCE: IRON RAIN

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    Save the world without hope. Year 2040. An action TPS where you will become one of the EDF soldiers and fight against the invaders from outer space which ruined the world. In the world settings which differs from the original "EARTH DEFENSE FORCE" series, more than 50 missions in five difficulties await for your challenge.

    2019Action59.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Warhammer 40,000: Shootas, Blood & Teef — Steam game cover

    Warhammer 40,000: Shootas, Blood & Teef

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    From the developers of the Guns, Gore and Cannoli franchise comes a new 2D run & gun platformer: Warhammer 40,000: Shootas, Blood & TEEF! Spearhead an Ork invasion, destroy the hive city and kill your warboss! ‘Ere we go!

    2022ActionAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Dyna Bomb — Steam game cover

    Dyna Bomb

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    Strap on your jetpack and prepare for chaos! Dyna Bomb has intuitive arcade action game play, with a blast of humor, Enjoy!

    2016ActionIndieAdventure3.99 USDSingle-playerSimilar games →
  10. 10
    Ghost Sweeper — Steam game cover

    Ghost Sweeper

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    Ghost Sweeper features fun stylized cartoon graphics and game-play that mixes action and puzzles, with a variety of items to help you along the way. Use your agility and speed to tackle your enemy or plan the perfect strategy to avoid confrontation, it is up to you!

    2016ActionIndieAdventure3.99 USDSingle-playerSimilar games →
  11. 11
    DAMN! — Steam game cover

    DAMN!

    Single-player alternative to After Wave: Downfall — playable solo, no multiplayer required. Shares Action with After Wave: Downfall.

    DAMN the machines! DAMN the machines! Nobody knows who put a virus in the Lab.34 LAN, but now the smartest robots produced in the lab have started an uprising against their creators! Scientists and technicians are trapped inside and surely face certain death, can you help them?

    2017ActionIndieCasual3.99 USDSingle-playerSimilar games →