IMHO.

Games like Mach K9

If Mach K9 is your kind of game, the closest matches are Deep Rock Galactic: Survivor, SHOOPER NOVA and Shoulders of Giants: Ultimate — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

Get personalized picks →

About Mach K9: Physics roguelite. Smash aliens out of the arena to defeat them. Choose upgrades after each wave, and complete every wave to win. Unlock additional upgrades as you play.

2024Action2.99 USDWindowsby Kevin Riley, Raphael Serota, Bryanna Denney, Tristan Orton-Urbina
Mach K9 — Steam game cover

Players who liked Mach K9 also play

Steam players who put hours into Mach K9 also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Deep Rock Galactic: Survivor

    WHY THIS

    Top pick for Mach K9 fans by collaborative filtering across millions of Steam libraries. Shares Action with Mach K9.

    DEEP ROCK GALACTIC: SURVIVOR is a single player survivor-like auto-shooter. Take on hordes of lethal aliens, mine riches, and unlock powerful upgrades to survive, as you wield the full arsenal of Deep Rock Galactic. It's one dwarf against all of Planet Hoxxes!

    2025Action12.99 USDDeck VerifiedSteam ↗
  2. SHOOPER NOVA

    WHY THIS

    Second-strongest match for Mach K9 fans by collaborative filtering across millions of Steam libraries. Shares Action with Mach K9.

    Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress. Unlock combos to shape your strategy and battle style. Become an unstoppable barrage machine and obliterate waves of enemies from all directions!

    2025ActionStrategyIndie2.72 USDDeck VerifiedSteam ↗
  3. Shoulders of Giants: Ultimate

    WHY THIS

    Third-strongest match for Mach K9 fans by collaborative filtering across millions of Steam libraries. Shares Action with Mach K9.

    Simultaneously control a sword-wielding robot and a gunslinging space frog in Shoulders of Giants, an explosively colourful sci-fi roguelike. Play alone, with a friend, or as part of a four-person team, cutting through waves of enemies on a quest to rescue the galaxy from the forces of Entropy!

    2024ActionRPG19.99 USDDeck PlayableSteam ↗
  4. Beat Invaders

    WHY THIS

    Ranked #4 for Mach K9 fans by collaborative filtering across millions of Steam libraries. Shares Action with Mach K9.

    Beat Invaders is a Vertical Shoot 'Em Up Roguelite - Fight your way through enemy fleets, unlock skills, items, ships, and upgrade them in the next run. Enjoy the smooth neon visuals matching the pushing EDM soundtrack - The perfect game to unwind.

    2022ActionCasual9.99 USDDeck VerifiedSteam ↗
  5. Soulstone Survivors

    WHY THIS

    Ranked #5 for Mach K9 fans by collaborative filtering across millions of Steam libraries. Shares Action with Mach K9.

    Face the Lords of the Void and their endless minions, collect their Soulstones and become a god! In this Action Roguelite, unveil secret spells, craft mighty weapons, unlock multiple characters, discover game-breaking synergies and conquer the power of the void.

    2025ActionIndieRPG14.99 USDDeck PlayableSteam ↗
  6. Risk of Rain Returns

    WHY THIS

    Ranked #6 for Mach K9 fans by collaborative filtering across millions of Steam libraries. Shares Action with Mach K9.

    Carefully designed, beautifully remastered, and loaded with new ways to play—Risk of Rain is back and better than ever! Dive into the iconic roguelike full of unique loot combinations, enhanced with new Survivors, overhauled multiplayer, fan favorite content from Risk of Rain 2, and more!

    2023Action14.99 USDDeck VerifiedSteam ↗
  7. Nova Drift

    WHY THIS

    Ranked #7 for Mach K9 fans by collaborative filtering across millions of Steam libraries. Shares Action with Mach K9.

    Nova Drift distills the mechanical depth and strategy of an ARPG into classic arcade space combat. Control an endlessly evolving bio-mechanical ship, face legions of strange and deadly foes, and ride the wake of a dying star across the void.

    2024ActionIndie17.99 USDDeck VerifiedSteam ↗
  8. Temtem: Swarm

    WHY THIS

    Ranked #8 for Mach K9 fans by collaborative filtering across millions of Steam libraries. Shares Action with Mach K9.

    Can you Survive the Swarm? Unlock mighty abilities and upgrades, find and collect Tems to evolve and become stronger, discover overpowered strategies, and battle massive bosses in this survivor-like bullet heaven! Play solo or online co-op with up to 3 players, building the wildest synergies.

    2026ActionRPGCasual12.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Mach K9 at current Steam store prices.

  1. POSTAL 2

    WHY THIS

    Priced ~67% under Mach K9 on Steam right now. Shares Action with Mach K9.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  2. Blood and Bacon

    WHY THIS

    Priced ~67% under Mach K9 on Steam right now. Shares Action with Mach K9.

    This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.

    2016ActionAdventureCasual0.99 USDSteam ↗
  3. Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad

    WHY THIS

    Priced ~67% under Mach K9 on Steam right now. Shares Action with Mach K9.

    "Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad?" is a fast paced shower-simulation where you shower with your 8-bit dad.It's good, clean fun!

    2015ActionIndieSimulation0.99 USDDeck VerifiedSteam ↗
  4. Bit Blaster XL

    WHY THIS

    Priced ~67% under Mach K9 on Steam right now. Shares Action with Mach K9.

    Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down, boost, dodge, shoot, and chase high scores in this addictive, old-school action game!

    2016ActionIndieCasual0.99 USDDeck VerifiedSteam ↗
  5. TYRONE vs COPS

    WHY THIS

    Priced ~67% under Mach K9 on Steam right now. Shares Action with Mach K9.

    Awaken the latent power of your melanin and kill cops in this thought-provoking game on police brutality in America.

    2022ActionIndie0.99 USDDeck PlayableSteam ↗
  6. Orbt XL

    WHY THIS

    Priced ~67% under Mach K9 on Steam right now. Shares Action with Mach K9.

    Defy gravity in Orbt XL! A fast-paced, addictive, 'just-one-more-round' arcade score chaser. Stay in orbit, dodge obstacles, and rack up points, the closer you are to the black hole, the higher your score! Easy to learn, tough to master, and perfect for quick play sessions while waiting in queue.

    2017ActionIndieCasual0.99 USDSteam ↗
  7. Toree 2

    WHY THIS

    Priced ~67% under Mach K9 on Steam right now. Shares Action with Mach K9.

    A bite-sized 3D Platformer sequel with more focus on the things people enjoyed in the first game like fast gameplay, flow focused levels and cute costumes (two this time).

    2021ActionIndieCasual0.99 USDDeck VerifiedSteam ↗
  8. UBERMOSH Vol.5

    WHY THIS

    Priced ~67% under Mach K9 on Steam right now. Shares Action with Mach K9.

    The fifth volume of the arcade series UBERMOSH.

    2017ActionIndie0.99 USDSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Awaria

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Mach K9.

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  2. UNBEATABLE [white label]

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Mach K9.

    A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  3. Disfigure

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Mach K9.

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableSteam ↗
  4. The Lab

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeSteam ↗
  5. An Arcade Full of Cats

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Journey through gaming history's time and space, while searching for adorable feline companions in 'An Arcade Full of Cats,' the ultimate pet'em up hidden object game.

    2023IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  6. Control, I'm Not Coming Back

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.

    2026IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  7. OnlyCans: Thirst Date

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Feel The Fizz Inside You™ with the brand new Shize™ Collection!

    2021IndieSimulationFree To PlayFreeSteam ↗
  8. DORONKO WANKO

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Mach K9.

    『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.

    2024ActionSimulationFree To PlayFreeSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. Deep Rock Galactic: Survivor

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Mach K9.

    DEEP ROCK GALACTIC: SURVIVOR is a single player survivor-like auto-shooter. Take on hordes of lethal aliens, mine riches, and unlock powerful upgrades to survive, as you wield the full arsenal of Deep Rock Galactic. It's one dwarf against all of Planet Hoxxes!

    2025Action12.99 USDDeck VerifiedSteam ↗
  2. SHOOPER NOVA

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Mach K9.

    Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress. Unlock combos to shape your strategy and battle style. Become an unstoppable barrage machine and obliterate waves of enemies from all directions!

    2025ActionStrategyIndie2.72 USDDeck VerifiedSteam ↗
  3. Beat Invaders

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Mach K9.

    Beat Invaders is a Vertical Shoot 'Em Up Roguelite - Fight your way through enemy fleets, unlock skills, items, ships, and upgrade them in the next run. Enjoy the smooth neon visuals matching the pushing EDM soundtrack - The perfect game to unwind.

    2022ActionCasual9.99 USDDeck VerifiedSteam ↗
  4. Risk of Rain Returns

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Mach K9.

    Carefully designed, beautifully remastered, and loaded with new ways to play—Risk of Rain is back and better than ever! Dive into the iconic roguelike full of unique loot combinations, enhanced with new Survivors, overhauled multiplayer, fan favorite content from Risk of Rain 2, and more!

    2023Action14.99 USDDeck VerifiedSteam ↗
  5. Nova Drift

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Mach K9.

    Nova Drift distills the mechanical depth and strategy of an ARPG into classic arcade space combat. Control an endlessly evolving bio-mechanical ship, face legions of strange and deadly foes, and ride the wake of a dying star across the void.

    2024ActionIndie17.99 USDDeck VerifiedSteam ↗
  6. Temtem: Swarm

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action with Mach K9.

    Can you Survive the Swarm? Unlock mighty abilities and upgrades, find and collect Tems to evolve and become stronger, discover overpowered strategies, and battle massive bosses in this survivor-like bullet heaven! Play solo or online co-op with up to 3 players, building the wildest synergies.

    2026ActionRPGCasual12.99 USDDeck VerifiedSteam ↗

Frequently asked about Mach K9

How much does Mach K9 cost?
Mach K9 is listed on Steam at 2.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Mach K9?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Mach K9 are Deep Rock Galactic: Survivor, SHOOPER NOVA, Shoulders of Giants: Ultimate.
Who developed Mach K9?
Mach K9 was developed by Kevin Riley, Raphael Serota, Bryanna Denney and published by Kevin Riley.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Mach K9.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.