IMHO.

Games like Project Thea

If Project Thea is your kind of game, the closest matches are Guild's Requiem, 白蛇之子 | The Son of White Snake: Roguelike Deckbuilder and Apawcalypse: Corrupted Brain — picked from the ranked list below. Reviewers single out its atmospheric, contemplative and dark. 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 Thea: Wake to a brutal world bent on destroying your colony. Rebuild, Explore the Wastelands, and Gather scarce resources. Will you strike a deal with the ruthless Baba Yaga - or hack a rogue Cyber-Rat to turn it into an ally? A dark strategy-survival RPG with card-based tactical combat.

2025StrategySimulationRPGEarly Access17.99 USDDeck PlayableWindowsby MuHa Games, Eerie Forest Studio
Project Thea — Steam game cover
Players highlight
Base city management with faction progressionCard combat emphasizes deck building over raw statsChallenging skill check events with narrative choicesAtmosphericContemplativeDark

Players who liked Project Thea also play

Steam players who put hours into Project Thea 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. Guild's Requiem

    WHY THIS

    Top pick for Project Thea fans by collaborative filtering across millions of Steam libraries. Shares Strategy and RPG with Project Thea.

    A dark fantasy deckbuilding roguelike. Run a guild at the edge of a dying world, send your party into the abyss, and win tactical card battles where every fallen light brings the end closer. Build decks across 10 heroes, chain devastating combos, and pay the price for every run.

    2026StrategyIndieRPG14.99 USDSteam ↗
  2. 白蛇之子 | The Son of White Snake: Roguelike Deckbuilder

    WHY THIS

    Second-strongest match for Project Thea fans by collaborative filtering across millions of Steam libraries. Shares Strategy and RPG with Project Thea.

    Leifeng Pagoda is no tower—it is an ancient serpent still breathing. Read enemy intent and forge card–relic engines in this Chinese cosmic-horror deckbuilder. Descend alone or online with up to 4 players.

    2026StrategyIndieRPG7.49 USDSteam ↗
  3. Apawcalypse: Corrupted Brain

    WHY THIS

    Third-strongest match for Project Thea fans by collaborative filtering across millions of Steam libraries. Shares Strategy and RPG with Project Thea.

    Lead a team of three animal survivors in a roguelike deckbuilder where every character has their own deck. Coordinate a shared Action Point pool, Intercept attacks to protect allies, and build powerful team synergies to survive the corruption.

    2026StrategyIndieRPGSteam ↗
  4. Recall Rogue

    WHY THIS

    Ranked #4 for Project Thea fans by collaborative filtering across millions of Steam libraries. Shares Strategy and RPG with Project Thea.

    The knowledge roguelite. Answer questions to hit harder, skip them to die faster. The deeper you go, the more the dungeon punishes ignorance. Bosses shrug off everything but proven knowledge. 98 decks, 7 languages, 67,000 real facts. Guilt-free gaming.

    2026StrategyIndieRPGFreeSteam ↗
  5. POKOR

    WHY THIS

    Ranked #5 for Project Thea fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Simulation with Project Thea.

    POKOR is a story-driven roguelike tactical turn-based card RPG. Players take on the role of Heart, commanding a deck of playing card soldiers to engage in turn-based battles against enemies as they venture deeper into a vast, pale, and ever-changing palace to uncover the truth and the true self.

    StrategyIndieSimulationSteam ↗
  6. Miners in the Mountain

    WHY THIS

    Ranked #6 for Project Thea fans by collaborative filtering across millions of Steam libraries. Shares Strategy and RPG with Project Thea.

    “Miners in the Mountain” is a pixel card RPG with Tarkov-like survival. Fight, loot, and build bases in collapsing mines. Failure will cost you everything—food, components, crew members, all vanishes. Meet allies and foes, build your expedition squad deck, dig deeper, and find the Mountain's Heart.

    StrategyIndieAdventureSteam ↗
  7. Kegs of Eternity

    WHY THIS

    Ranked #7 for Project Thea fans by collaborative filtering across millions of Steam libraries. Shares Strategy and RPG with Project Thea.

    A roguelite deckbuilder starring seven stubborn dwarves. Build unique decks, slay cursed monsters, crawl procedural dungeons, drink plenty of beer, find broken synergies, and rebuild your ruined town, one keg, one combo, one dwarf at a time.

    2027StrategyIndieRPGSteam ↗
  8. Ember Covenant

    WHY THIS

    Ranked #8 for Project Thea fans by collaborative filtering across millions of Steam libraries. Shares Strategy and RPG with Project Thea.

    A dark-fantasy roguelike deckbuilder where burning cards fuels your power—and your enemies. Build a deck, master five Sigils, complete Litanies, break four Seals, and decide how much Heat you are willing to unleash.

    2026StrategyIndieRPG7.19 USDSteam ↗

Cheaper alternatives

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

  1. Terraria

    WHY THIS

    Priced ~44% under Project Thea on Steam right now. Shares RPG with Project Thea.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSteam ↗
  2. Garry's Mod

    WHY THIS

    Priced ~72% under Project Thea on Steam right now. Shares Simulation with Project Thea.

    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 ↗
  3. Lethal Company

    WHY THIS

    Priced ~44% under Project Thea on Steam right now. Shares Early Access with Project Thea.

    A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

    2023ActionIndieAdventure9.99 USDDeck PlayableSteam ↗
  4. People Playground

    WHY THIS

    Priced ~44% under Project Thea on Steam right now. Shares Simulation with Project Thea.

    Shoot, stab, burn, poison, tear, vaporise, or crush ragdolls in a large open space.

    2019ActionIndieSimulation9.99 USDDeck PlayableSteam ↗
  5. Fallout: New Vegas

    WHY THIS

    Priced ~44% under Project Thea on Steam right now. Shares RPG with Project Thea.

    Welcome to Vegas. New Vegas. Enjoy your stay!

    2010ActionRPG9.99 USDDeck PlayableSteam ↗
  6. Undertale

    WHY THIS

    Priced ~44% under Project Thea on Steam right now. Shares RPG with Project Thea.

    UNDERTALE! The RPG game where you don't have to destroy anyone.

    2015IndieRPG9.99 USDDeck PlayableSteam ↗
  7. Vampire Survivors

    WHY THIS

    Priced ~72% under Project Thea on Steam right now. Shares RPG with Project Thea.

    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 ↗
  8. R.E.P.O.

    WHY THIS

    Priced ~61% under Project Thea on Steam right now. Shares Early Access with Project Thea.

    An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.

    2025ActionEarly Access6.99 USDDeck PlayableSteam ↗

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.

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

    2018ActionIndieFree To PlayFreeSteam ↗
  2. Silly Linguine Cat Simulator Deluxe Online

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation and RPG with Project Thea.

    Silly Linguine Cat Simulator Deluxe Online is a clicker game where progression is replaced with gambling, where the goal is simply to collect the rarest silly linguine cats.

    2026IndieAdventureSimulationFreeSteam ↗
  3. Die in the Dungeon: Origins

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and RPG with Project Thea.

    Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

    2023StrategyIndieRPGFreeDeck VerifiedSteam ↗
  4. The Riftbreaker: Prologue

    WHY THIS

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

    The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

    2020ActionStrategyIndieFreeDeck PlayableSteam ↗
  5. The Last Sovereign

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and RPG with Project Thea.

    Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.

    2025StrategyIndieAdventureFreeDeck VerifiedSteam ↗
  6. DFHack - Dwarf Fortress Modding Engine

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Simulation with Project Thea.

    Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.

    2023StrategySimulationRPGFreeDeck PlayableSteam ↗
  7. The Life and Suffering of Sir Brante — Chapter 1&2

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy and Simulation with Project Thea.

    A narrative-driven hardcore RPG set in a gritty world where the gods are real. Set out on a challenging lifetime journey, where every choice you make has a price to pay and consequence to it. Will you become an inquisitor, a judge, or conspire against the old order? Dare to decide!

    2020StrategyIndieAdventureFreeSteam ↗
  8. The Test: Secrets of the Soul 2

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation and RPG with Project Thea.

    You will answer questions that will reveal things deep within. Some will be uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and are you SURE you want the answers you seek? For it is time to once again unlock "Secrets of the Soul..."

    2023IndieAdventureSimulationFreeDeck PlayableSteam ↗

More from MuHa Games

Other recommendable Steam games by MuHa Games, ranked by review count so the studio's hits land first.

  1. Thea: The Awakening

    WHY THIS

    Shares card based combat and an atmospheric mood with Project Thea.

    Another title from MuHa Games, the studio behind Project Thea. Shares Strategy and RPG with Project Thea.

    Thea: The Awakening is a turn-based strategic survival game inspired by the Slavic mythology and set in a procedural dark fantasy world infused with non-linear story and unique combat system.

    2015StrategyIndieRPG19.99 USDDeck PlayableSteam ↗
  2. Thea 2: The Shattering

    WHY THIS

    Shares card based combat and an atmospheric mood with Project Thea.

    Another title from MuHa Games, the studio behind Project Thea. Shares Strategy and RPG with Project Thea.

    In the dark lands inspired by Slavic myth, life is a struggle for survival against ever increasing odds, be it natural or malevolent. Can you lead your flock to prosperity in this innovative blend of 4X strategy, RPG and card game?

    2019StrategyIndieRPG24.99 USDDeck PlayableSteam ↗
  3. Master of Magic

    WHY THIS

    Shares a nostalgic mood with Project Thea.

    Another title from MuHa Games, the studio behind Project Thea. Shares Strategy and RPG with Project Thea.

    Take up the role of a great wizard, wield powerful spells, command fantasy races and challenge your rivals in this remake of a cult turn-based strategy classic. Do you have what it takes to become Master of Magic?

    2022StrategyIndieRPG39.99 USDDeck PlayableSteam ↗

Frequently asked about Project Thea

Does Project Thea run on Steam Deck?
Project Thea 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 Project Thea cost?
Project Thea is listed on Steam at 17.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Project Thea?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Project Thea are Guild's Requiem, 白蛇之子 | The Son of White Snake: Roguelike Deckbuilder, Apawcalypse: Corrupted Brain.
Who developed Project Thea?
Project Thea was developed by MuHa Games, Eerie Forest Studio and published by MuHa Games.

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 Thea.

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