IMHO.

Games like Diluvian Ultra

If Diluvian Ultra is your kind of game, the closest matches are Diluvian Ultra: Awakening, Pile 'Em High Episode 3: Convalescence and Beyond Citadel — picked from the ranked list below. Reviewers single out its colorful varied level design, atmospheric and contemplative. 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 Diluvian Ultra: Diluvian Ultra is a single-player, first-person shooter focusing on a retro aesthetic and fast-paced, strategic combat. The game is set in its own expansive fictive universe. Rather than gritty or dark, Diluvian Ultra is colorful and fantastical, like the cover of pulp sci-fi novels of the past.

2023ActionIndie9.99 USDDeck PlayableWindowsby Cresthelm Studios
Diluvian Ultra — Steam game cover
Players highlight
Armor must be broken before finishing enemiesBio punk art style mixes gothic and sci fiColorful varied level designAtmosphericContemplativeDark

Players who liked Diluvian Ultra also play

Steam players who put hours into Diluvian Ultra 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. Diluvian Ultra: Awakening

    WHY THIS

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

    Diluvian Ultra: Awakening shows a never-before seen part of Diluvian Ultra's story, preceding the events of the main game. As a young Diluvian Knight, stage a heroic defense against insurmountable odds, in this single-player FPS with a retro aesthetic and fast-paced, strategic combat.

    2024ActionFree To PlayFreeSteam ↗
  2. Pile 'Em High Episode 3: Convalescence

    WHY THIS

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

    Deep in Colorado’s Rocky Mountains, a secluded estate becomes ground zero for terror. Pile ’Em High 3 throws you into nonstop action‑horror mayhem—cultists, zombies, abominations—all standing between you and the truth behind the world‑shattering Pandemic

    ActionIndieAdventureSteam ↗
  3. Beyond Citadel

    WHY THIS

    Shares an atmospheric mood with Diluvian Ultra.

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

    Beyond Citadel is an anime style retro throwback shooter inspired by the classics of the 90's, with realistic gunplay mechanics, anime violence and fast paced combat. Fight your way through the heavily armed mechanical fortress and discover the secret that lies beneath.

    2025ActionIndie14.99 USDDeck PlayableSteam ↗
  4. MULLET MADJACK

    WHY THIS

    Ranked #4 for Diluvian Ultra fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Diluvian Ultra.

    MULLET MADJACK is a HIGH-OCTANE-ACTION SHOOTER that put you directly inside a CLASSIC ANIME. Pick your favorite weapon and reach the last floor; Beat your best time or try again. Haste makes waste… OF YOUR ENEMIES!

    2024ActionIndie19.99 USDDeck VerifiedSteam ↗
  5. Relentless Frontier

    WHY THIS

    Shares an atmospheric mood with Diluvian Ultra.

    Ranked #5 for Diluvian Ultra fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Diluvian Ultra.

    Relentless Frontier is a fast paced sci-fi FPS running on the GZDoom Engine, with a strong focus on mobility, strategy, and exploration. Use your Omnistruct to replicate new weapons and abilities to help you traverse the terrain and demolish threats, while escaping from Ross 128-b in one piece.

    2024ActionIndieAdventure14.99 USDDeck PlayableSteam ↗
  6. Project Warlock II

    WHY THIS

    Shares weapon upgrade system and an atmospheric mood with Diluvian Ultra.

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

    Adrenaline-pumping gore retro funhouse that’s full of guns, magic, demons, vertical arenas, 3D visuals, 2D sprites, and heavy metal music. Inspired by FPS classics like Quake and Doom 64, Project Warlock II is the explosive boomer shooter sequel you were too shy to ask for.

    2025ActionIndie16.99 USDDeck VerifiedSteam ↗
  7. Blake Stone: Aliens of Gold

    WHY THIS

    Shares an atmospheric mood with Diluvian Ultra.

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

    Wolfenstein 3D took you into the past, thrusting you into a world at war. Blake rockets you into the future where a sinister madman, using genetics to create an army of bizarre creatures, is waging war on Earth. Blake has more of everything!

    2015Action1.99 USDSteam ↗
  8. Beyond Sunset

    WHY THIS

    Shares weapon upgrade system and an atmospheric mood with Diluvian Ultra.

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

    Cyberpunk first-person shooter with a rich story and RPG elements. You are Lucy, an enhanced street samurai searching for lost memories. Fight in large, open, interactive levels overtaken by yakuza, zombies, robots and bosses!

    2025ActionIndieAdventure9.99 USDDeck PlayableSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~50% under Diluvian Ultra on Steam right now. Shares Indie with Diluvian Ultra.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~50% under Diluvian Ultra on Steam right now. Shares Action and Indie with Diluvian Ultra.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  3. Titanfall® 2

    WHY THIS

    Priced ~55% under Diluvian Ultra on Steam right now. Shares Action with Diluvian Ultra.

    Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.

    2020Action4.49 USDDeck PlayableSteam ↗
  4. Cookie Clicker

    WHY THIS

    Priced ~50% under Diluvian Ultra on Steam right now. Shares Indie with Diluvian Ultra.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  5. WEBFISHING

    WHY THIS

    Priced ~50% under Diluvian Ultra on Steam right now. Shares Indie with Diluvian Ultra.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  6. POSTAL 2

    WHY THIS

    Priced ~90% under Diluvian Ultra on Steam right now. Shares Action and Indie with Diluvian Ultra.

    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 ↗
  7. Buckshot Roulette

    WHY THIS

    Priced ~70% under Diluvian Ultra on Steam right now. Shares Action and Indie with Diluvian Ultra.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  8. Brotato

    WHY THIS

    Priced ~50% under Diluvian Ultra on Steam right now. Shares Action and Indie with Diluvian Ultra.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 USDDeck VerifiedSteam ↗

Free alternatives

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

  1. ENA: Dream BBQ

    WHY THIS

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

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  2. Indigo Park: Chapter 1

    WHY THIS

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

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  3. STRAFTAT

    WHY THIS

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

    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. The Looker

    WHY THIS

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

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  5. Counter-Strike:Global Offensive

    WHY THIS

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

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗
  6. UNBEATABLE [white label]

    WHY THIS

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

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

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  7. Disfigure

    WHY THIS

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

    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 ↗
  8. 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 ↗

Frequently asked about Diluvian Ultra

Does Diluvian Ultra run on Steam Deck?
Diluvian Ultra is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does Diluvian Ultra cost?
Diluvian Ultra is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Diluvian Ultra?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Diluvian Ultra are Diluvian Ultra: Awakening, Pile 'Em High Episode 3: Convalescence, Beyond Citadel.
Who developed Diluvian Ultra?
Diluvian Ultra was developed by Cresthelm Studios and published by Fulqrum Publishing.

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 Diluvian Ultra.

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

24 Games Like Diluvian Ultra — Ranked for 2026 · imho.run