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PROTOCOL: Zero-day screenshot 1
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Availability unconfirmed·CRYPTOS Interactive
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Dive into a brutal isometric Action-Roguelite set in a cyber-apocalyptic world. Master fast-paced Hack'n'Slash combat during intense 5-to-8-minute incursions. Face infected hordes, optimize your build, and break the loop. Death is part of the protocol.

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About PROTOCOL: Zero-day

THE SYSTEM IS CORRUPTED. BREAK THE LOOP.

PROTOCOL: Zero-day is an unforgiving Action-Roguelite that merges the frenzy of classic Hack'n'Slash with a modern progression loop. Plunged into a ruthless cyber-apocalyptic world, you have only one objective: purge the infected networks. The system is relentless, death is inevitable, but your power survives every failure.

PROTOCOL: Zero-day video 1

KEY FEATURES

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⚡ The Urgency of Short Sessions No time to breathe. Incursions are calibrated for high-tension runs lasting 5 to 8 minutes. Perfect for a quick, adrenaline-fueled session on the go, or long sleepless nights spent optimizing your gear to reach the next boss.
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⚔️ Pure & Demanding Hack'n'Slash Click-to-move navigation, fast-paced melee combat, and visceral crowd control. The rules are easy to grasp, but mastering your spells and positioning will be the difference between survival and Game Over.
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🔄 Death is Just a Reboot (Roguelite Progression) Failing is part of the protocol. If you fall in combat, you are rebooted to the beginning of the current sector. But you never start from scratch: keep all your core stats, gear upgrades, and unlocked spells. Grow stronger with every attempt.
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🌐 An Isometric Cyber-Apocalypse Explore 5 unique procedurally generated worlds. Traverse corrupted networks and face ever-growing hordes alongside unforgiving bosses that will put your reflexes to the ultimate test. Expect 15 to 20 hours of intense gameplay to reach the first true ending.

PREPARE YOUR BUILD. LAUNCH INCURSION. SURVIVE.

Back in the Hub, analyze your failures, equip your newly looted gear, upgrade your abilities, and instantly dive back into the fray.

PROTOCOL: Zero-day video 2

Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.

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