8 years after the ARDS ("Jabber") linguistic pandemic destroyed civilization, Istanbul is a concrete cage. Do not listen. Do not look back. Survival is the only objective.

Welcome to the Grey Zone. The world didn't end with a bomb—it ended with a sentence. Acute Rational Discourse Syndrome (ARDS) has turned the spoken word into a fatal weapon. One sentence of infected gibberish from a "Jabberer" will instantly unravel your mind.

While the tyrannical SMK (Anti-Epidemic Institute) enforces absolute terror in the Safe Zones, the ruins of Istanbul are left to rot. Step into a bleak, gritty, choices-matter text RPG where noise-canceling headphones are your only shield, and every stranger is a walking biohazard. Will you join the Plus 1 resistance, serve the SMK, or just try to keep your skull from overheating?

Or are you immune?..

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