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Quantum Protocol header art

Quantum Protocol

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!

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Developer
Publisher
Release
November 4, 2020
5 years and 271 days ago
Steam Reviews
Very Positive655 reviews90.8%

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Updated: Jul 10, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 15, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 15, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Quantum Protocol and Kaio Meris funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Quantum Protocol and Kaio Meris?Creative controlWho appears to retain creative control of the game.
Updated: Jul 10, 2026Release statusWhether and how the game has been released.

Media

7 items

About the Game


Build your deck as you go in this challenging card game. Take on multiple scenarios. Some will be quick puzzles, others will be long tests of endurance. You'll need to spend as much time planning your approach as executing it.

Change Your Deck. At Any Time.

Adapt to any situation quickly. But be careful, enemies will adapt as well.

Break Any System. Even the Game Itself.

Cards are your hacking tools. With so many to choose from, no two runs will be the same.

Behind Every Program, A Dream.

Experience the lives of the people behind the code. Even as an unstoppable computer virus threatens to destroy the modern world, sometimes the most important problems are the ones hidden inside each of us.