IMHO.

Single-player games like LOUD on Planet X

Below are 8 single-player Steam games similar to LOUD on Planet X, 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 LOUD on Planet X page.

Ranked picks

  1. 1
    One Finger Death Punch 2 — Steam game cover

    One Finger Death Punch 2

    Single-player alternative to LOUD on Planet X — playable solo, no multiplayer required. Shares Action and Indie with LOUD on Planet X.

    The world's fastest brawler is back. Experience cinematic kung-fu in the most epic stickman fighter ever made. Staying true to the original, you play with only two buttons. Every press matters, do not button mash!

    2019ActionIndieCasual7.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Sanctum — Steam game cover

    Sanctum

    Single-player alternative to LOUD on Planet X — playable solo, no multiplayer required. Shares Action and Indie with LOUD on Planet X.

    You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.

    2011ActionStrategyIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Madballs in Babo:Invasion — Steam game cover

    Madballs in Babo:Invasion

    Single-player alternative to LOUD on Planet X — playable solo, no multiplayer required. Shares Action and Indie with LOUD on Planet X.

    Now with cross-platform multiplayer! PC vs. Mac at last.

    2009ActionIndieCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    [Old Edition] Croixleur Sigma — Steam game cover

    [Old Edition] Croixleur Sigma

    Single-player alternative to LOUD on Planet X — playable solo, no multiplayer required. Shares Action and Indie with LOUD on Planet X.

    Wielding magical blades, four girls fight back encroaching waves of monsters in this exhilirating hack & slash action game!

    2014ActionIndieCasualSingle-playerSimilar games →
  5. 5
    Razor2: Hidden Skies — Steam game cover

    Razor2: Hidden Skies

    Single-player alternative to LOUD on Planet X — playable solo, no multiplayer required. Shares Action and Indie with LOUD on Planet X.

    Razor2: Hidden Skies Razor2: Hidden Skies is a top view shooter. The game has the style of successful classic arcade games, while using the latest technology to create great visuals and effects. An old-school game with all new technology.

    2010ActionIndieCasual7.99 USDSingle-playerSimilar games →
  6. 6
    Transcripted — Steam game cover

    Transcripted

    Single-player alternative to LOUD on Planet X — playable solo, no multiplayer required. Shares Action and Indie with LOUD on Planet X.

    After 3 years, Transcripted the illegitimate son of Zuma and Geometry Wars is finally back on Steam. Discover now this unique mix of twin stick shooter and match-3 with its twisted mechanics and original story.

    2012ActionIndieCasual7.99 USDSingle-playerSimilar games →
  7. 7
    Constant C — Steam game cover

    Constant C

    Single-player alternative to LOUD on Planet X — playable solo, no multiplayer required. Shares Action and Indie with LOUD on Planet X.

    In the year 1905, Albert Einstein published the theory of special relativity, suggesting that nothing could move faster than the speed of light. What if any mortal could break that constant? Stretch it beyond its limits? Would human beings finally be able to find a way to cheat death and win over immorality?

    2014ActionIndieCasual9.99 USDSingle-playerSimilar games →
  8. 8
    Ion Assault — Steam game cover

    Ion Assault

    Single-player alternative to LOUD on Planet X — playable solo, no multiplayer required. Shares Action and Indie with LOUD on Planet X.

    In ION ASSAULT players wield thousands of Ion Particles to blast, fry and disrupt anything on screen as you see fit! GAMEPLAY WITH A TWIST: By centering its gameplay around its unique fluid and particle physics system, ION ASSAULT adds a twist to arcade style space shooters!

    2010ActionIndieCasual2.49 USDSingle-playerSimilar games →