IMHO.

Games like Project Serial

If Project Serial is your kind of game, the closest matches are As We Descend, Monster Train and Signs of the Sojourner — 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 Serial: This city eats people. Don the mask of a serial killer in this deckbuilding roguelike interactive story-based RPG. Become The Loner and explore the rhetoric of your mind, defuse gangs and psychopaths, massacre your enemies, and unravel the secrets of the city.

ActionIndieAdventureRPGEarly AccessWindowsby Harness Games
Project Serial — Steam game cover

Players who liked Project Serial also play

Steam players who put hours into Project Serial 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. As We Descend

    WHY THIS

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

    The apocalyptic roguelike deckbuilder with squad sculpting and deep tactics. Recruit the right units and outmaneuver titanic foes on dangerous expeditions. Build up allies and resources in the feudal Vault-City. Can you survive all the perils that await the last bastion of humanity?

    2025StrategyIndieRPG13.39 USDDeck PlayableSteam ↗
  2. Monster Train

    WHY THIS

    Second-strongest match for Project Serial 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 ↗
  3. Signs of the Sojourner

    WHY THIS

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

    In this narrative card game about relationships and communication, navigate conversations in a colorful world reminiscent of our own. Learn and grow through the cards you choose to play. Who will you become? What will you leave behind?

    2020IndieAdventureRPG1.99 USDSteam ↗
  4. Souls of White Star

    WHY THIS

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

    Souls of White Star is a sci-fi turn-based card wargame Roguelike strategy game. The different design of [double-sided technology moving cards] and [bandwidth draw cost] will test your judgment and decision more!

    2023StrategyIndieAdventure4.49 USDSteam ↗
  5. LONESTAR

    WHY THIS

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

    LONESTAR is a strategic Roguelike spaceship deckbuilder. As a bounty hunter, you will capture criminals scattered across the universe. Win the shockwave battle to gain rewards and vacations. Find treasures, customize spaceships, unlock talents, defeat the felons and be a legend!

    2025StrategyIndieAdventure12.99 USDDeck VerifiedSteam ↗
  6. Deck of Ashes

    WHY THIS

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

    Deck of Ashes is an adventure game with tactical card combat. One character at a time, lead the cast of antiheroes on a quest for redemption. Explore the cursed fantasy world and hunt down powerful cards. Forge a unique Battle Deck, and crush your foes! Can you rid the world of the Ash Curse?

    2020StrategyIndieAdventure4.99 USDDeck PlayableSteam ↗
  7. Hadean Tactics

    WHY THIS

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

    Hadean Tactics is a roguelike deckbuilding game fused with autobattler elements to create a unique strategy experience. Use your cards to influence the actions of your units and help your Hero defeat the Six Wings of Hell!

    2023StrategyIndie8.99 USDDeck VerifiedSteam ↗
  8. Astrea: Six-Sided Oracles

    WHY THIS

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

    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. A Date with Death

    WHY THIS

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

    Fight against & romance the one hunting for your soul in A Date with Death, a romance chat simulator where you date(?) the Grim Reaper himself. Create your own character, decorate your apartment, and chat away with the charming yet dangerous Grim Reaper through text and video calls.

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  2. UNBEATABLE [white label]

    WHY THIS

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

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

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  3. Dagon: by H. P. Lovecraft

    WHY THIS

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

    Face unspeakable horrors. Succumb to madness. Welcome to a free daemonic narrative experience inspired by H. P. Lovecraft.

    2021IndieAdventureFree To PlayFreeDeck VerifiedSteam ↗
  4. Paper Lily - Chapter 1

    WHY THIS

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

    Paper Lily is an RPG horror game in which you can solve puzzles in different ways. Explore a hidden world, meet strange characters, and guide Lacie as she attempts to find answers about her unusual condition.

    2024IndieAdventureRPGFreeDeck VerifiedSteam ↗
  5. Project Kat - Paper Lily Prologue

    WHY THIS

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

    Project Kat is a short, unconventional RPG horror game in which there is always another way. Solve puzzles, make friends (or not), and guide Kat as she attempts to uncover the mystery behind a strange golden letter.

    2021IndieAdventureRPGFreeDeck VerifiedSteam ↗
  6. 93, Kuindzhi

    WHY THIS

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

    Kuindzhi, 93 is an atmospheric first-person narrative vignette about an 18-year-old boy from Donbas. The story takes us to March 2022, when the world changed forever — into a space where the past, fears, and doubts find their voice.

    2026IndieAdventureFree To PlayFreeSteam ↗
  7. Saihate Station

    WHY THIS

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

    An exploration/horror/adventure game about the codependent, love-hate relationship between two men.

    2025IndieAdventureRPGFreeDeck PlayableSteam ↗
  8. Moonring

    WHY THIS

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

    A dark-fantasy, turn-based, retro-fusion of classic turn-based RPGs and roguelikes, all presented with a unique neon aesthetic.

    2023RPGFreeDeck VerifiedSteam ↗

Frequently asked about Project Serial

What games are most similar to Project Serial?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Project Serial are As We Descend, Monster Train, Signs of the Sojourner.
Who developed Project Serial?
Project Serial was developed by Harness 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 Serial.

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

16 Games Like Project Serial — Ranked for 2026 · imho.run