IMHO.

Games like Project Delta

If Project Delta is your kind of game, the closest matches are Trash Quest, Kalinur and Astalon: Tears of the Earth — 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 Delta: Explore all possible realities as you try and save the universe from the Darkness in this unique Procedurally Designed Mega Metroidvania Adventure.

2023ActionIndieAdventureEarly Access9.99 USDWindowsby Flying Fire, LLC
Project Delta — Steam game cover

Players who liked Project Delta also play

Steam players who put hours into Project Delta 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. Trash Quest

    WHY THIS

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

    Trash Quest is a compact metroidvania with a single spawn point, run and gun action and tight platforming. Navigate an interwoven maze of rooms through this space station, destroying robots, collecting power ups and unlocking shortcuts.

    2021ActionIndieAdventure2.99 USDSteam ↗
  2. Kalinur

    WHY THIS

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

    Defeat the mage Kalinur and bring peace back to the kingdom in this mini metroidvania with a lot of action.

    2022ActionIndie1.99 USDSteam ↗
  3. Astalon: Tears of the Earth

    WHY THIS

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

    Uphold your pact with the Titan of Death, Epimetheus! Fight, climb and solve your way through a twisted tower as three unique adventurers, on a mission to save their village from impending doom!

    2021ActionAdventure19.99 USDDeck PlayableSteam ↗
  4. Timespinner

    WHY THIS

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

    Travel back in time to change fate itself, in this beautifully crafted story-driven adventure, inspired by classic 90s action-platformers. Join timekeeper Lunais on her quest for revenge against the empire that killed her family, using time-bending powers to explore a vast, connected world.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  5. Alwa's Legacy

    WHY THIS

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

    Alwa’s Legacy is a modern retro game full of dangerous dungeons, mystic items and ancient secrets. Upgrade your magic and choose your own path in this non-linear adventure game brimming with exploration.

    2020ActionIndieAdventure17.99 USDDeck VerifiedSteam ↗
  6. Chasm

    WHY THIS

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

    Explore the depths below a remote mountain town in this procedurally-generated Adventure Platformer. Taking inspiration from hack 'n slash dungeon crawlers and Metroidvania-style platformers, Chasm will immerse you in a fantasy world full of exciting treasure, deadly enemies, and abundant secrets.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  7. Axiom Verge

    WHY THIS

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

    Explore and uncover the mystery of a surreal alien world by blasting aliens and glitching your environment in this intense retro side-scrolling action/adventure.

    2015ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  8. Gato Roboto

    WHY THIS

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

    Pounce inside of your cozy armored mech and set off on a dangerous trek through an alien underworld full of irritable creatures and treacherous obstacles in a valiant effort to save your stranded captain and his crashed spaceship.

    2019ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~50% under Project Delta on Steam right now. Shares Indie with Project Delta.

    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 Project Delta on Steam right now. Shares Action and Indie with Project Delta.

    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 Project Delta on Steam right now. Shares Action with Project Delta.

    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 Project Delta on Steam right now. Shares Indie with Project Delta.

    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 Project Delta on Steam right now. Shares Indie with Project Delta.

    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 Project Delta on Steam right now. Shares Action and Indie with Project Delta.

    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 Project Delta on Steam right now. Shares Action and Indie with Project Delta.

    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 Project Delta on Steam right now. Shares Action and Indie with Project Delta.

    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. Doki Doki Literature Club!

    WHY THIS

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

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

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

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Helltaker

    WHY THIS

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

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  5. ENA: Dream BBQ

    WHY THIS

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

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  6. 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 Project Delta.

    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 ↗
  7. STRAFTAT

    WHY THIS

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

    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 ↗
  8. The Looker

    WHY THIS

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

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

    2022IndieFreeDeck PlayableSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. Timespinner

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Project Delta.

    Travel back in time to change fate itself, in this beautifully crafted story-driven adventure, inspired by classic 90s action-platformers. Join timekeeper Lunais on her quest for revenge against the empire that killed her family, using time-bending powers to explore a vast, connected world.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  2. Alwa's Legacy

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Project Delta.

    Alwa’s Legacy is a modern retro game full of dangerous dungeons, mystic items and ancient secrets. Upgrade your magic and choose your own path in this non-linear adventure game brimming with exploration.

    2020ActionIndieAdventure17.99 USDDeck VerifiedSteam ↗
  3. Chasm

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Project Delta.

    Explore the depths below a remote mountain town in this procedurally-generated Adventure Platformer. Taking inspiration from hack 'n slash dungeon crawlers and Metroidvania-style platformers, Chasm will immerse you in a fantasy world full of exciting treasure, deadly enemies, and abundant secrets.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  4. Axiom Verge

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Project Delta.

    Explore and uncover the mystery of a surreal alien world by blasting aliens and glitching your environment in this intense retro side-scrolling action/adventure.

    2015ActionIndieAdventure19.99 USDDeck VerifiedSteam ↗
  5. Gato Roboto

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Project Delta.

    Pounce inside of your cozy armored mech and set off on a dangerous trek through an alien underworld full of irritable creatures and treacherous obstacles in a valiant effort to save your stranded captain and his crashed spaceship.

    2019ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗

Frequently asked about Project Delta

How much does Project Delta cost?
Project Delta is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Project Delta?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Project Delta are Trash Quest, Kalinur, Astalon: Tears of the Earth.
Who developed Project Delta?
Project Delta was developed by Flying Fire, LLC.

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 Delta.

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