IMHO.

Games like Project Sundive

If Project Sundive is your kind of game, the closest matches are Neon Armada - Solar Storm, Intergalactic Defenders and Astro Miners — 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 Project Sundive: Project Sundive is wave-based arena auto-shooter roguelite, focusing on ship customization and ridiculously overpowered builds

2027ActionIndieWindows · Linuxby Manu Software
Project Sundive — Steam game cover

Players who liked Project Sundive also play

Steam players who put hours into Project Sundive 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. Neon Armada - Solar Storm

    WHY THIS

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

    A top-down arena roguelite you can learn in one wave and spend a hundred hours mastering. Waves close in from every edge; the shop between them decides what you become. 32 ships, 28 weapons, 115 mods to combine — then endless mode, where the caps come off.

    2026ActionSteam ↗
  2. Intergalactic Defenders

    WHY THIS

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

    Intergalactic Defenders is a retro pixel art space shooter with rogue-like progression, handcrafted levels, deep ship customization, and intense arcade combat. Defend humanity against an alien invasion across the galaxy.

    2025ActionAdventureSimulation3.99 USDSteam ↗
  3. Astro Miners

    WHY THIS

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

    Astro Miners is a thrilling space action game: blast meteors to harvest resources, battle rival factions in their airspace, and survive anomalies and black holes. Exchange fragments for Credits to upgrade dual-weapon ships and unlock powerful modules. Purchase now and conquer the void!

    2025ActionIndieAdventure2.99 USDSteam ↗
  4. INFINITER

    WHY THIS

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

    Navigate the Geometric Void and survive against the hordes of creatures that lurk within the impossible space. INFINITER is an incremental action-rouguelike, where every run earns you progress towards becoming the most powerful being in the known universe.

    ActionCasualSteam ↗
  5. Deadlokk

    WHY THIS

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

    Deadlokk is a 1-3 player co-op roguelike. Explore sectors while fighting against other factions to upgrade your ships and carrier. Find rare weapons and upgrades to make the perfect build. Research your items to make blueprints and take them on your future Expeditions!

    2021ActionEarly Access8.99 USDSteam ↗
  6. Xenoterrestrial

    WHY THIS

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

    Unleash hell as a xeno-hating soldier aboard a ship being hijacked by a hitherto undiscovered alien race. Xenoterrestrial is a top-down technical shooter that combines skill and strategy for a fast-paced, challenging experience offering customizable weapons, complex mechanics, and diverse enemies.

    2024ActionStrategy2.99 USDSteam ↗
  7. Speglar

    WHY THIS

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

    Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.

    2024ActionIndieCasual3.99 USDSteam ↗
  8. Magnetar

    WHY THIS

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

    Magnetar is a top-down space shooter set in a unique physics-based environment packed with opportunities and hazards where you'll need all your skill to survive. Collect credits to upgrade ships and allies. Features 50 campaign levels and endless random levels.

    2026ActionCasual1.99 USDSteam ↗

Free alternatives

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

  1. Bongo Cat

    WHY THIS

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

    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 ↗
  2. Awaria

    WHY THIS

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

    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 and Indie with Project Sundive.

    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 and Indie with Project Sundive.

    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. Star Fetchers

    WHY THIS

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

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

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗
  6. Magic Archery

    WHY THIS

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

    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 ↗
  7. Coloring Pixels

    WHY THIS

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

    A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.

    2018IndieFree To PlayCasualFreeSteam ↗
  8. Eternal Senia

    WHY THIS

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

    Thoughts and expectations ARPG

    2015ActionIndieRPGFreeSteam ↗

Frequently asked about Project Sundive

What games are most similar to Project Sundive?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Project Sundive are Neon Armada - Solar Storm, Intergalactic Defenders, Astro Miners.
Who developed Project Sundive?
Project Sundive was developed by Manu Software.

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 Project Sundive.

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