IMHO.

Single-player games like The Hookmarine

Below are 10 single-player Steam games similar to The Hookmarine, 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 The Hookmarine page.

Ranked picks

  1. 1
    Bridge to the Abyss — Steam game cover

    Bridge to the Abyss

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required. Shares Action with The Hookmarine.

    A fish-dodging bullet hell?! Dive as deep as you can! Survive as long as you can! And if you can, return to the surface...

    ActionSingle-playerSimilar games →
  2. 2
    This Is No Cave — Steam game cover

    This Is No Cave

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required. Shares Action with The Hookmarine.

    A one-click parkour game in space. Zoom through intricate levels using your suit's thrusters and grapple hook, all while evading colossal alien worms and racing against the clock.

    2025ActionIndieRacing3.84 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Pronty — Steam game cover

    Pronty

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required. Shares Action with The Hookmarine.

    Guide Pronty and its Javelin partner Bront as it defends the once great city of Royla. Explore the deep sea, fight mutant sea creatures, and discover the secrets behind this new Atlantis in this beautiful action-packed adventure.

    2021ActionIndieAdventure17.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Oozi: Earth Adventure — Steam game cover

    Oozi: Earth Adventure

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required.

    Oozi: Earth Adventure is a classic 2D platformer with old school gameplay - no puzzles, no punishment, just 100% pure classic platforming fun! Its most prominent features are HD visuals and beautiful hand-drawn art, but despite its visual style, it’s a good fit for all kinds of gamers!

    2013IndieCasual9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    1 Screen Platformer — Steam game cover

    1 Screen Platformer

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required. Shares Action with The Hookmarine.

    This is a SHORT, 2D PLATFORMER with TIGHT CONTROLS about exploring a single level to get past a bunch of TRAPS. There is an EASY mode and a HARD mode depending on your skill level.

    2019ActionIndieAdventure1.49 USDSingle-playerSimilar games →
  6. 6
    Super Time Force Ultra — Steam game cover

    Super Time Force Ultra

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required. Shares Action with The Hookmarine.

    Super Time Force Ultra is an insane platformer filled with robots and dinosaurs and fun and time travel... sometimes all at the same time!

    2014ActionIndie14.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    JumpJet Rex — Steam game cover

    JumpJet Rex

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required. Shares Action with The Hookmarine.

    Test your dinosaur jump-jet skills with a game that redefines the platformer genre, aptly renaming it "platflyer." Simply put, you're a t-rex with rocket boots trying to save earth from an incoming asteroid. Do you have what it takes to stop it?

    2015ActionIndieAdventure9.99 USDSingle-playerSimilar games →
  8. 8
    Fury Unleashed — Steam game cover

    Fury Unleashed

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required. Shares Action with The Hookmarine.

    Shoot your way through the pages of an ever-changing comic book in this fast-paced roguelike. Play solo, in local or online co-op, expand your weaponry, and upgrade your hero with each run. All that to find out why has your creator lost his faith in you and to prove him wrong.

    2020ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Summoner's Mess — Steam game cover

    Summoner's Mess

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required.

    You've made a mistake trying to summon a beast from the depths. Explore a huge manor to solve your mess. Can you find the sacred grimoires before being consumed by the darkness?

    2021IndieAdventure2.99 USDSingle-playerSimilar games →
  10. 10
    THE BUTTON by Elendow — Steam game cover

    THE BUTTON by Elendow

    Single-player alternative to The Hookmarine — playable solo, no multiplayer required.

    Every time you press the button you get 1 point. Every time you press the button your odds to lose all your points increases by 1%. Good luck.

    2023StrategySimulationFree To PlayFreeDeck VerifiedSingle-playerSimilar games →