IMHO.

Games like Retronaut

If Retronaut is your kind of game, the closest matches are Approaching Infinity Survivors, SteelGuard and Space Show edition 17 — 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 Retronaut: A rogue star pilot lost between galaxies—upgrade your ship, harness ancient artifacts, and survive relentless alien hordes in this cosmic action roguelite.

2026ActionWindowsby GrassyAss Studios
Retronaut — Steam game cover

Players who liked Retronaut also play

Steam players who put hours into Retronaut 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. Approaching Infinity Survivors

    WHY THIS

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

    A Bullet-Heaven roguelike in the Approaching Infinity universe with both spaceship and away team missions. The exit of the galaxy's dominant races left a power vacuum that everyone wants to fill. Survive, pick a side, or kill'em all. No time to think when the horde's advancing.

    ActionIndieRPGSteam ↗
  2. SteelGuard

    WHY THIS

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

    Pilot customizable mechs in an epic battle against hordes of enemiesor dive into intense PvP battles where precision aiming can turn the tide, or let your mech's auto-firing system handle the heat of combat. With rogue-lite elements, each run offers a unique challenge and opportunity for growth.

    ActionIndieFree To PlaySteam ↗
  3. Space Show edition 17

    WHY THIS

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

    Space Show is an explosive space shoot’em up blending fast-paced arcade action with roguelite progression. Destroy waves of asteroids, battle enemy fleets, and defend Earth in an endless war where only survival… and glory matter!

    2026ActionIndieSteam ↗
  4. Homesider Survivors

    WHY THIS

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

    HOMESIDER SURVIVORS is a single player survivor-like auto-shooter. You find yourself far from home against countless hordes of aliens...but they're the ones who have to survive, because they kidnapped the wrong guy. Kill, die, level up, and try again until you get home.

    ActionIndieSteam ↗
  5. PNR: Point of No return

    WHY THIS

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

    You don't dodge. You push through. PNR: Point of No Return is a space opera roguelite where you blast through enemy fleets head-on, forging a new loadout every sortie. Build your arsenal mid-battle, come back alive, hit the jackpot on the Slingshot, and do it all again.

    2026ActionIndieSteam ↗
  6. Gravity Slugger

    WHY THIS

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

    Gravity Slugger is an arcade-style wave defense game where you use gravity and orbital mechanics to fling projectiles at attacking enemy spaceships. Dodge enemies, gather salvage, and upgrade your skills with chaotic and deadly abilities in this physics-based 2D game.

    2026ActionIndieSimulationSteam ↗
  7. FOXFIRE

    WHY THIS

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

    Full Thrust, Full Inertia, Full Auto! FOXFIRE is a top-down sci-fi survivors-like with space physics and a devastating arsenal of evolving weaponry. Customize your ship and tear through alien swarms as routine recon missions descend into bullet hellscapes.

    2027ActionSteam ↗
  8. Astrum Vanguard

    WHY THIS

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

    In Astrum Vanguard, a 2D horde-survival with bullet hell components, you pilot and upgrade your spaceship to defeat countless alien creatures. Survive the endless onslaught in the cosmic battlefield!

    ActionIndieCasualSteam ↗

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 Retronaut.

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  2. Iron Snout

    WHY THIS

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

    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 ↗
  3. Disfigure

    WHY THIS

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

    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. Princess Remedy in a World of Hurt

    WHY THIS

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

    Remedy, a recent graduate from the Saturnian healing school, must descend to Hurtland and use her powers to heal everyone from stray ducks to dark lords, and finally cure the ailing Prince Hingst. It's a short, whimsical adventure with plenty of heart(s).

    2016ActionIndieAdventureFreeDeck PlayableSteam ↗
  5. South Scrimshaw, Part One

    WHY THIS

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

    South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.

    2023IndieCasualFreeDeck PlayableSteam ↗
  6. Waves

    WHY THIS

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

    Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!

    2011ActionIndieFreeDeck VerifiedSteam ↗
  7. Shape of Dreams: Prologue

    WHY THIS

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

    《Shape of Dreams: Prologue》is a unique game that blends action roguelite with MOBA-style gameplay. Edit your character's Memories to create your own champion. Face all challenges alone or play with friends in up to 4-player co-op.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  8. Evil Egg

    WHY THIS

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

    Blast it all to hell.

    2025ActionFree To PlayFreeDeck VerifiedSteam ↗

Frequently asked about Retronaut

What games are most similar to Retronaut?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Retronaut are Approaching Infinity Survivors, SteelGuard, Space Show edition 17.
Who developed Retronaut?
Retronaut was developed by GrassyAss Studios.

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 Retronaut.

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

16 Games Like Retronaut — Ranked for 2026 · imho.run