IMHO.

Games like Theseus Protocol

If Theseus Protocol is your kind of game, the closest matches are Zero Division, DungeonTop and Nowhere Prophet — picked from the ranked list below. Reviewers single out its atmospheric, challenging 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 Theseus Protocol: Theseus Protocol is a deck building roguelike where rebirth offers strategic opportunity. Utilize a powerful suite of cards and weaponry to uncover the cruel truth behind the dystopian sci-fi world of Mark City.

20239.99 USDDeck PlayableWindowsby YueTang(Xiamen)
Theseus Protocol — Steam game cover
Players highlight
Characters play uniquely with different mechanicsCharge weapons by exhausting cardsDeck building feels strategic despite early access flawsAtmosphericChallengingContemplative

Players who liked Theseus Protocol also play

Steam players who put hours into Theseus Protocol 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. Zero Division

    WHY THIS

    Shares an atmospheric mood with Theseus Protocol.

    Top pick for Theseus Protocol fans by collaborative filtering across millions of Steam libraries.

    A roguelite deckbuilder crossed with a CCG, set in a dark cyberpunk world. You will lead a three-man squad against competing factions fighting among the ashes of a world-wide war. Each operator comes with a unique deck that can be customized and augmented.

    2024StrategyIndieRPG6.49 USDDeck PlayableSteam ↗
  2. DungeonTop

    WHY THIS

    Shares an atmospheric mood with Theseus Protocol.

    Second-strongest match for Theseus Protocol fans by collaborative filtering across millions of Steam libraries.

    A rogue-like deck-building experience coupled with table top battles. Choose a hero and allegiance then dive deep into the dungeon, evolving your deck for survival. Each choice you make matters, even in between battles!

    2020StrategyIndie6.07 USDDeck PlayableSteam ↗
  3. Nowhere Prophet

    WHY THIS

    Shares an atmospheric mood with Theseus Protocol.

    Third-strongest match for Theseus Protocol fans by collaborative filtering across millions of Steam libraries.

    Prepare your decks and go on a pilgrimage through the wasteland! Nowhere Prophet is a unique single-player card game. Travel across randomly generated maps and lead your followers in deep tactical combat. Discover new cards and build your deck as you explore this strange, broken world.

    2019StrategyIndieRPG6.24 USDDeck VerifiedSteam ↗
  4. Monster Train

    WHY THIS

    Shares a challenging mood with Theseus Protocol.

    Ranked #4 for Theseus Protocol fans by collaborative filtering across millions of Steam libraries.

    Monster Train is a strategic roguelike deck building game with a twist. Set on a train to hell, you’ll use tactical decision making to defend multiple vertical battlegrounds. With real time competitive multiplayer and endless replayability, Monster Train is always on time.

    2020Strategy4.99 USDDeck PlayableSteam ↗
  5. Black Book

    WHY THIS

    Shares an atmospheric mood with Theseus Protocol.

    Ranked #5 for Theseus Protocol fans by collaborative filtering across millions of Steam libraries.

    “Black Book” is a dark RPG Adventure, based on Slavic myths, in which you play as a young sorceress. Fight evil forces in card-based battles and explore the world, where humans live alongside mythological creatures.

    2021StrategyIndieAdventure24.99 USDDeck PlayableSteam ↗
  6. Breach Wanderers

    WHY THIS

    Shares a whimsical mood with Theseus Protocol.

    Ranked #6 for Theseus Protocol fans by collaborative filtering across millions of Steam libraries.

    A fresh take on Roguelike Deckbuilders that lets you fine-tune your decks before each run to adapt your strategy on your way to victory. Over 1,200 cards to choose from, ten characters with their own set of unique skills, and dozens of items and missions to evolve your tactics.

    2023StrategyIndieRPG4.49 USDDeck VerifiedSteam ↗
  7. DIMENSION REIGN - ROGUELIKE DECKBUILDER

    WHY THIS

    Shares an atmospheric mood with Theseus Protocol.

    Ranked #7 for Theseus Protocol fans by collaborative filtering across millions of Steam libraries.

    Dimension Reign is a roguelike deckbuilder where players control two characters at once to defeat hordes of enemies in an ever-changing landscape. Draw your abilities from your deck, and chain multiple breaks together to decimate entire screens of enemies before they can even get in a hit.

    2020StrategyIndieRPG17.99 USDSteam ↗
  8. Astrea: Six-Sided Oracles

    WHY THIS

    Shares an atmospheric mood with Theseus Protocol.

    Ranked #8 for Theseus Protocol fans by collaborative filtering across millions of Steam libraries.

    Astrea is a DICE-deck-building roguelike that flips the script on deckbuilders by using dice instead of cards and a unique dual “damage” system: Purification vs Corruption. Build a dice pool strong enough to purify Astrea's out-of-control corruption and save the Star System.

    2023StrategyIndieCasual24.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Life is Strange - Episode 1

    WHY THIS

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

    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 ↗
  2. missed messages.

    WHY THIS

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

    ‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.

    2019IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  3. Awaria

    WHY THIS

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

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  4. Grimm's Hollow

    WHY THIS

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

    A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.

    2019IndieAdventureRPGFreeDeck PlayableSteam ↗
  5. Virtual Cottage

    WHY THIS

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

    Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.

    2020IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  6. UNBEATABLE [white label]

    WHY THIS

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

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

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  7. Star Fetchers

    WHY THIS

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

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

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗
  8. Magic Archery

    WHY THIS

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

    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 ↗

Frequently asked about Theseus Protocol

Does Theseus Protocol run on Steam Deck?
Theseus Protocol 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 Theseus Protocol cost?
Theseus Protocol is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Theseus Protocol?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Theseus Protocol are Zero Division, DungeonTop, Nowhere Prophet.
Who developed Theseus Protocol?
Theseus Protocol was developed by YueTang(Xiamen) and published by Archive 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 Theseus Protocol.

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16 Games Like Theseus Protocol — Ranked for 2026 · imho.run