IMHO.

Games like Ozone Guardian

If Ozone Guardian is your kind of game, the closest matches are Lost Galaxy: Survivors, GUN KING and Line Defense — 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.

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About Ozone Guardian: A new twist on the classic arcade shooter, with a variety of character choices and an upgrade system. Control your spaceship with your mouse & shoot with click - the only limitation is your hand speed! Face waves of creative enemy ships and stimulating bosses, and protect the ozone, Ozone Guardian.

2020ActionIndieCasual2.49 USDWindowsby Paraverse Games
Ozone Guardian — Steam game cover

Players who liked Ozone Guardian also play

Steam players who put hours into Ozone Guardian 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. Lost Galaxy: Survivors

    WHY THIS

    Top pick for Ozone Guardian fans by collaborative filtering across millions of Steam libraries. Shares Action and Casual with Ozone Guardian.

    Defend massive interdimensional portals against relentless alien swarms in this fast-paced sci-fi top-down survival shooter.

    ActionStrategyCasualSteam ↗
  2. GUN KING

    WHY THIS

    Second-strongest match for Ozone Guardian fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ozone Guardian.

    GUN KING is a fast-paced top-down arcade shooter with unique gun mods that lets you play your way. Unlock and equip powerful gun mods to create wild synergies, amp up your firepower, and blast through hordes of enemies.

    2023ActionIndieCasual2.99 USDDeck VerifiedSteam ↗
  3. Line Defense

    WHY THIS

    Third-strongest match for Ozone Guardian fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ozone Guardian.

    Move or die. Dodge, dash, and build powerful combos to survive relentless enemy waves in this fast-paced arena survival game. Play solo or in chaotic 4-player local co-op.

    2025ActionIndieCasual4.99 USDSteam ↗
  4. Last Star

    WHY THIS

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

    Last Star is a space shooter roguelite with tower defense elements. Pilot a spaceship to protect your solar core from endless waves of alien invaders. Upgrade both your core and spaceship to become unstoppable. Execute tactical counterattacks against alien motherships to slow down the invasion.

    2024ActionStrategyAdventure3.99 USDSteam ↗
  5. Orbit Breaker

    WHY THIS

    Ranked #5 for Ozone Guardian fans by collaborative filtering across millions of Steam libraries. Shares Action and Casual with Ozone Guardian.

    Choose a geometric core, survive escalating waves with automatic weapons, and evolve matching weapons and passives into stronger builds. Explore sectors, find unlocks, and defeat the boss.

    2026ActionCasual5.94 USDSteam ↗
  6. Space War: Infinity

    WHY THIS

    Ranked #6 for Ozone Guardian fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ozone Guardian.

    Vertical semi-procedural shmup with upgrades, real-time enemy waves, and infinite replayability. Level up your ship, unlock 20+ weapons, defeat 5 bosses, and survive endless bullet-hell combat.

    2019ActionIndieCasual2.99 USDSteam ↗
  7. Larva Mortus

    WHY THIS

    Ranked #7 for Ozone Guardian fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ozone Guardian.

    Larva Mortus is a fast-paced hack and slash top-down shooter. As an agent specializing in exorcism, you are tasked to hunt monsters of the supernatural in a dark, ominous, and randomly generated atmosphere full of undead, terrifying and demonic nightmares.

    2009ActionIndie4.99 USDSteam ↗
  8. Chippy

    WHY THIS

    Ranked #8 for Ozone Guardian fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ozone Guardian.

    Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.

    2019ActionIndie7.49 USDDeck VerifiedSteam ↗

Cheaper alternatives

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

  1. POSTAL 2

    WHY THIS

    Priced ~60% under Ozone Guardian on Steam right now. Shares Action and Indie with Ozone Guardian.

    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 ~60% under Ozone Guardian on Steam right now. Shares Action and Casual with Ozone Guardian.

    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. Peggle Deluxe

    WHY THIS

    Priced ~60% under Ozone Guardian on Steam right now. Shares Casual with Ozone Guardian.

    Take your best shot with energizing arcade fun! Aim, shoot, clear the orange pegs, then sit back and cheer as 10 whimsical teachers guide you to Peggle greatness.

    2007Casual0.99 USDDeck PlayableSteam ↗
  4. shapez

    WHY THIS

    Priced ~60% under Ozone Guardian on Steam right now. Shares Indie and Casual with Ozone Guardian.

    shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

    2020StrategyIndieSimulation0.99 USDDeck PlayableSteam ↗
  5. Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad

    WHY THIS

    Priced ~60% under Ozone Guardian on Steam right now. Shares Action and Indie with Ozone Guardian.

    "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 ↗
  6. Insaniquarium Deluxe

    WHY THIS

    Priced ~60% under Ozone Guardian on Steam right now. Shares Casual with Ozone Guardian.

    The craziest aquarium game ever! Tend to your fish, keep them happy and they'll reward you with coins and jewels. Buy tank upgrades or egg parts which hatch different in-tank pets. These pets can help you feed your fish, collect coins, or even protect against the aliens that will invade your tank.

    2006Casual0.99 USDDeck PlayableSteam ↗
  7. Montaro

    WHY THIS

    Priced ~60% under Ozone Guardian on Steam right now. Shares Indie and Casual with Ozone Guardian.

    Montaro is a DOGE.

    2016IndieCasual0.99 USDDeck PlayableSteam ↗
  8. Bejeweled® 3

    WHY THIS

    Priced ~60% under Ozone Guardian on Steam right now. Shares Casual with Ozone Guardian.

    The biggest, brightest Bejeweled ever! Discover all-new ways to play the world’s #1 puzzle game. Find your perfect match with 8 breathtaking game modes that meet all your moods.

    2010StrategyCasual0.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Ozone Guardian.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  2. Bongo Cat

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Ozone Guardian.

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  3. STRAFTAT

    WHY THIS

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

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  4. Our Life: Beginnings & Always

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Ozone Guardian.

    A twenty-dollar bill, four summers, fifteen years, and a one of a kind life. Create an experience that’s all your own in this near-fully customizable visual novel where you grow from childhood to adulthood with the lonely boy next door.

    2020IndieFree To PlayCasualFreeSteam ↗
  5. Awaria

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Ozone Guardian.

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  6. Iron Snout

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Ozone Guardian.

    Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.

    2016ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  7. Magic Archery

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Ozone Guardian.

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableSteam ↗
  8. Disfigure

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Ozone Guardian.

    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 ↗

Frequently asked about Ozone Guardian

How much does Ozone Guardian cost?
Ozone Guardian is listed on Steam at 2.49 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Ozone Guardian?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Ozone Guardian are Lost Galaxy: Survivors, GUN KING, Line Defense.
Who developed Ozone Guardian?
Ozone Guardian was developed by Paraverse Games.

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 Ozone Guardian.

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