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Seoul, consumed by the Apocalypse

In the moment the city collapsed, the protagonist—once an ordinary citizen—awakened the ability to glimpse into the near future.
To reclaim the horrifying, Entities-infested remains of Seoul, and to recover something precious that was lost—

Chrono Seoul is a “Turn Table” deck-building roguelite set in an apocalyptic reinterpretation of modern Seoul.

Fast and lethal “Turn Table” combat

Your power is the ability to read the future.
Through your mechanical arm, fleeting moments of what’s to come appear before you—and these visions become the core strategic tool for placing cards and planning your combat turns.

Combat is fast, precise, and generates entirely different builds and flows in every run. At the end of each chapter, an Existence that has corrupted the region awaits you.

A distorted modern Seoul, and the mystery of the “Warping”

The city has been completely reshaped by fragments of sin.Dying citizens. An apocalypse swallowing the metropolis whole. And the truth behind the Entities that consumes everything—With each repeated loop, the pieces of that truth slowly come into view.

Power from the Entities, and endlessly evolving deck-building

The “Entities” scattered across Seoul take on many forms.
They test you, tempt you, and at times grant unique cards or relics—pulling you deeper into their trials.Each Existence offers completely different events depending on the nature they dominate.

Your card choices define your playstyle itself.

Will you pursue an agility build focused on evasive maneuvers? A high-impact counter build? Or craft a strange and experimental hybrid? Each loop is an entirely new decision.

A collapsing mind, and the ‘Nightmare’

In apocalyptic Seoul, enemy attacks do more than harm your body.

Whispers echo through warped spaces. Unseen gazes follow you. Endless loops of failure and struggle erode the mind.
As the protagonist’s sanity fractures, you will eventually confront the Nightmare.
But when you endure it—when you survive—you gain new abilities.

The Nightmare is not merely a penalty.It is a core system unique to Chrono Seoul: a space where risk and reward coexist. The moment your mind breaks is also the moment you can become stronger.