IMHO.

Games like Stop the Saturnians!

If Stop the Saturnians! is your kind of game, the closest matches are Martian Invaders, Netherspace and Cosmic Cruiser — 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 Stop the Saturnians!: Stop the Saturnians is a shooter inspired by classic arcade games. Dodge enemy fire, destroy procedurally generated alien waves and fight massive bosses. Collect resources in the midst of combat to upgrade your ship or improve Earth's defenses. Protect yourself and the planet both!

2022Action4.99 USDWindowsby Jeff Sinasac
Stop the Saturnians! — Steam game cover

Players who liked Stop the Saturnians! also play

Steam players who put hours into Stop the Saturnians! 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. Martian Invaders

    WHY THIS

    Top pick for Stop the Saturnians! fans by collaborative filtering across millions of Steam libraries. Shares Action with Stop the Saturnians!.

    WE HAVE ALIENS, YOU DON'T—Blast Martian invaders and flying saucers across 30 stages with robotic voice effects. Use your destructible shield, rescue army men for bonus points, and chase the high score.

    2022ActionIndie0.99 USDSteam ↗
  2. Netherspace

    WHY THIS

    Second-strongest match for Stop the Saturnians! fans by collaborative filtering across millions of Steam libraries. Shares Action with Stop the Saturnians!.

    A sci-fi shoot'em'up game with heavy focus on upgrades experimentation, featuring two unlikely heroes that must work perfectly together, despite their share of secrets, to surpass their limits and succeed in eliminating a threat that might destroy both Earth and Andraxia if left unchecked.

    2021ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  3. Cosmic Cruiser

    WHY THIS

    Third-strongest match for Stop the Saturnians! fans by collaborative filtering across millions of Steam libraries. Shares Action with Stop the Saturnians!.

    In this unique shooter from 1984. take on the role of a pilot of an out-dated Cosmic Cruiser, fighting to rescue the crew of a distant space station that had been captured by a raiding party from the sinister Rallom Empire.

    2022Action2.99 USDSteam ↗
  4. Gates of Zendocon

    WHY THIS

    Ranked #4 for Stop the Saturnians! fans by collaborative filtering across millions of Steam libraries. Shares Action with Stop the Saturnians!.

    In this classic side-scrolling shoot-em-up, originally published in 1989 for the Atari Lynx handheld console, take on the role of a starship pilot trapped in a web of 51 interconnected hostile universes by the evil spider Zendocon.

    2022Action4.99 USDSteam ↗
  5. Astro Fighters

    WHY THIS

    Ranked #5 for Stop the Saturnians! fans by collaborative filtering across millions of Steam libraries. Shares Action with Stop the Saturnians!.

    Astro Fighters is a tough old school vertical scrolling bullet hell shooter designed to test your skills with non-stop arcade style action. Fight against large bosses at the end of every level and compete for the high score across 4 difficulty modes to be the best fighter pilot in the game.

    2025Action5.39 USDSteam ↗
  6. Arcadia

    WHY THIS

    Ranked #6 for Stop the Saturnians! fans by collaborative filtering across millions of Steam libraries. Shares Action with Stop the Saturnians!.

    In this highly addictive top-down arcade shoot-em-up from 1982, originally for the ZX Spectrum, defend yourself from wave upon wave of deadly alien combatants using your Ion Thrust Drive and dual Plasma Disruptors.

    2022Action2.99 USDSteam ↗
  7. Space Warpster

    WHY THIS

    Ranked #7 for Stop the Saturnians! fans by collaborative filtering across millions of Steam libraries. Shares Action with Stop the Saturnians!.

    A fast-paced retro arcade shooter inspired by classic 1980s side-scrolling space combat. Weave through organic obstacles, survive relentless enemy waves, and defeat powerful end-level bosses in a pure, skill-driven singleplayer experience.

    2026ActionIndie4.24 USDSteam ↗
  8. Blue Jay Joyride

    WHY THIS

    Ranked #8 for Stop the Saturnians! fans by collaborative filtering across millions of Steam libraries. Shares Action with Stop the Saturnians!.

    Blue Jay Joyride is a fast-paced 2D space shooter. Go through waves of enemies and fight progressively harder bosses. Collect one of the many unique powerups to give your ship a fighting chance in this intense game.

    2022ActionIndie2.99 USDSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Stop the Saturnians! at current Steam store prices.

  1. POSTAL 2

    WHY THIS

    Priced ~80% under Stop the Saturnians! on Steam right now. Shares Action with Stop the Saturnians!.

    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 ~80% under Stop the Saturnians! on Steam right now. Shares Action with Stop the Saturnians!.

    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. STAR WARS™ Republic Commando™

    WHY THIS

    Priced ~50% under Stop the Saturnians! on Steam right now. Shares Action with Stop the Saturnians!.

    You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.

    2009Action2.49 USDDeck PlayableSteam ↗
  4. STAR WARS™ Jedi Knight - Jedi Academy™

    WHY THIS

    Priced ~50% under Stop the Saturnians! on Steam right now. Shares Action with Stop the Saturnians!.

    Forge your weapon and follow the path of the Jedi Jedi Knight: Jedi Academy is the latest installment of the highly acclaimed Jedi Knight series. Take on the role of a new student eager to learn the ways of the Force from Jedi Master Luke Skywalker.

    2009Action2.49 USDSteam ↗
  5. Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad

    WHY THIS

    Priced ~80% under Stop the Saturnians! on Steam right now. Shares Action with Stop the Saturnians!.

    "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. Bit Blaster XL

    WHY THIS

    Priced ~80% under Stop the Saturnians! on Steam right now. Shares Action with Stop the Saturnians!.

    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 ↗
  7. STAR WARS™ Battlefront (Classic, 2004)

    WHY THIS

    Priced ~50% under Stop the Saturnians! on Steam right now. Shares Action with Stop the Saturnians!.

    Fight the greatest battles in the STAR WARS universe any way you want to. The choice is yours.

    2019Action2.49 USDDeck PlayableSteam ↗
  8. Kill It With Fire

    WHY THIS

    Priced ~48% under Stop the Saturnians! on Steam right now. Shares Action with Stop the Saturnians!.

    Kill It With Fire is a first-person action game about hunting spiders and causing collateral damage.

    2020ActionIndieSimulation2.59 USDDeck VerifiedSteam ↗

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 with Stop the Saturnians!.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  2. Awaria

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Stop the Saturnians!.

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  3. The Expendabros

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Stop the Saturnians!.

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗
  4. Iron Snout

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Stop the Saturnians!.

    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 ↗
  5. UNBEATABLE [white label]

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Stop the Saturnians!.

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

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. Star Fetchers

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Stop the Saturnians!.

    The introduction to a wild ride with gangsters and deep state conspiracy theories

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗
  7. Magic Archery

    WHY THIS

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

    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. Eternal Senia

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Stop the Saturnians!.

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeDeck PlayableSteam ↗

Frequently asked about Stop the Saturnians!

How much does Stop the Saturnians! cost?
Stop the Saturnians! is listed on Steam at 4.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Stop the Saturnians!?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Stop the Saturnians! are Martian Invaders, Netherspace, Cosmic Cruiser.
Who developed Stop the Saturnians!?
Stop the Saturnians! was developed by Jeff Sinasac.

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 Stop the Saturnians!.

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

24 Games Like Stop the Saturnians! — Ranked for 2026 · imho.run