Out now

Theseus Protocol

Developed by YueTang(Xiamen) · Published by Archive Games

StatusOut now ReleaseAug 22, 2023 Price$9.99 Steam reviews318

At a glance

PlatformsWindows
ModesSingle-player
Price$9.99
StatusOut now
Early accessNo
Steam reviews318
Languages4
Achievements26

Overview

A video game by YueTang(Xiamen), published by Archive Games — single-player.

Steam’s own one-line description: “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.” — developer/publisher text via the Steam store page.

Reception & community

Steam reviewsMostly Positive — 70% positive of 370
Owners (est.)20000 – 50000
Player-voted tags:Roguelike DeckbuilderCard GameCard BattlerDeckbuildingRogue-likeTurn-Based CombatTactical RPGAnimeStrategy RPGStory RichFemale Protagonist2D

Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.

Features & modes

Derived from the gameplay modes and feature categories Steam lists for Theseus Protocol.

FeatureSupported
Single-playerYes
MultiplayerNo
Co-opNo
Online co-opNo
PvPNo
Cross-platform multiplayerNo
Full controller supportNo
Partial controller supportNo
Steam Cloud savesYes
Steam AchievementsYes

System requirements (PC)

As published on the Steam store page. Requirements can change between updates.

Minimum

  • Requires a 64-bit processor and operating system
  • OS: Windows 10(64bit)
  • Processor: Dual Core 2 GHz(64bit)
  • Memory: 4 GB RAM
  • Graphics: Intel HD 4600(AMD or NVIDIA equivalent)
  • DirectX: Version 11
  • Storage: 4 GB available space

Recommended

  • Requires a 64-bit processor and operating system
  • OS: Windows 10(64bit)
  • Processor: Dual Core 2 GHz(64bit)
  • Memory: 4 GB RAM
  • Graphics: GTX 970(Dedicated 4GB AMD or NVIDIA equivalent)
  • DirectX: Version 11
  • Storage: 4 GB available space

Supported languages (4)

EnglishSimplified ChineseTraditional ChineseJapanese

Theseus Protocol FAQ

Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.

What kind of game is Theseus Protocol?

Steam classifies Theseus Protocol as a video game, developed by YueTang(Xiamen). 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.

How much does Theseus Protocol cost?

As of June 2026, Steam lists Theseus Protocol at $9.99. Prices and regional pricing change — check the Steam page for the current figure.

Is Theseus Protocol single-player or multiplayer?

Steam lists these modes for Theseus Protocol: Single-player. It lists a single-player mode.

Is Theseus Protocol on PlayStation, Xbox, or Switch?

Our data comes from the Steam (PC) store, which lists Theseus Protocol for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.

Is Theseus Protocol out yet?

Yes — Steam lists a release date of Aug 22, 2023.

What platforms is Theseus Protocol on?

Theseus Protocol is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.

Is Theseus Protocol single-player or multiplayer?

Steam lists these modes: Single-player.

How much does Theseus Protocol cost?

Steam lists it at $9.99.

Does Theseus Protocol have achievements?

Yes — Steam lists 26 achievements for Theseus Protocol.

Who made Theseus Protocol?

Theseus Protocol is developed by YueTang(Xiamen) and published by Archive Games.

Where to get Theseus Protocol

We don't sell games or track prices — this links to the official Steam store page.

View on Steam →

Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Archive Games.