PROTOCOL: Zero-day overview

Overview

PROTOCOL: Zero-day comes from CRYPTOS Interactive and is published by CRYPTOS Interactive. It arrived on Steam on May 2026, and it sits naturally among Single-player, Steam Achievements, Camera Comfort, Custom Volume Controls, Playable without Timed Input, Stereo Sound, Steam Cloud, and Family Sharing. SteamPulse tracks it across Windows so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

PROTOCOL: Zero-day's latest SteamPulse observation recorded 0 players at observation time unavailable, with a tracked peak near 0. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 0% positive across 0 reviews.

Language and system requirements

PROTOCOL: Zero-day is available in 2 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

PROTOCOL: Zero-day has no public VGI unit-sales estimate available and has recommendation data pending. Revenue data is not available for this game yet. On Twitch, 0 streamers are live with around 0 total watchers.

PROTOCOL: Zero-day overview details

PROTOCOL: Zero-day combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

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. KEY FEATURES ⚡ 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. ⚔️ 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 . 🔄 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. 🌐 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 abi…

SteamPulse editorial summary

PROTOCOL: Zero-day is listed as a game with No longer available on Steam Store. It supports Windows, belongs to Single-player, Steam Achievements, Camera Comfort, Custom Volume Controls, Playable without Timed Input, Stereo Sound, Steam Cloud, and Family Sharing, and is associated with Action, Indie, RPG, and Early Access. SteamPulse's latest observation records 0 players at observation time unavailable, a tracked peak of 0, and review score data when available.

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.