Out now

Quantum Protocol

Developed by Kaio Meris · Published by Kaio Meris

Strategy
StatusOut now ReleaseNov 4, 2020 Price$9.09 Steam reviews622

At a glance

PlatformsWindows
ModesSingle-player
Price$9.09
StatusOut now
Early accessNo
Steam reviews622
Languages5
Achievements11
DLC1

Overview

A strategy game by Kaio Meris, published by Kaio Meris — single-player.

Steam’s own one-line description: “A deckbuilding card game where it's always your turn. Play as the master hackers of Quantum and take on the most dangerous malware in the world. Every action matters. Make plays, upgrade your deck, and break the enemy board!” — developer/publisher text via the Steam store page.

Reception & community

Steam reviewsVery Positive — 91% positive of 624
Owners (est.)50000 – 100000
Peak players2
Player-voted tags:AnimeDeckbuildingCard GameVisual NovelClass-BasedTurn-Based TacticsTurn-Based StrategyPvERogue-liteSci-fiSingleplayerComedy

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 Quantum 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 (64 bit only)
  • Processor: 2.4 GHz Dual Core
  • Memory: 4 GB RAM
  • Graphics: NVIDIA GeForce GTX 460 or AMD Radeon HD 5770 /w 1GB VRAM
  • DirectX: Version 11
  • Storage: 3 GB available space

Recommended

  • Requires a 64-bit processor and operating system
  • OS: Windows 10 (64 bit only)
  • Processor: 2.4 GHz Quad Core
  • Memory: 8 GB RAM
  • Graphics: NVIDIA 970 / AMD Radeon 290
  • DirectX: Version 11
  • Storage: 3 GB available space

Supported languages (5)

EnglishJapaneseKoreanSimplified ChineseFrench

Quantum 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 Quantum Protocol?

Steam classifies Quantum Protocol as a Strategy game, developed by Kaio Meris. A deckbuilding card game where it's always your turn. Play as the master hackers of Quantum and take on the most dangerous malware in the world. Every action matters. Make plays, upgrade your deck, and break the enemy board!

How much does Quantum Protocol cost?

As of June 2026, Steam lists Quantum Protocol at $9.09. Prices and regional pricing change — check the Steam page for the current figure.

Is Quantum Protocol single-player or multiplayer?

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

Is Quantum Protocol on PlayStation, Xbox, or Switch?

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

Is Quantum Protocol out yet?

Yes — Steam lists a release date of Nov 4, 2020.

What platforms is Quantum Protocol on?

Quantum 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 Quantum Protocol single-player or multiplayer?

Steam lists these modes: Single-player.

How much does Quantum Protocol cost?

Steam lists it at $9.09.

Does Quantum Protocol have achievements?

Yes — Steam lists 11 achievements for Quantum Protocol.

Who made Quantum Protocol?

Quantum Protocol is developed by Kaio Meris and published by Kaio Meris.

Where to get Quantum 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 · official site. Not affiliated with Valve/Steam, Kaio Meris.