Zombie Day Protocol Demo

About the game

Activate beacons, summon the zombies, and shoot your way out! Play the first 15 days of Zombie Day Protocol in this demo. Fight zombies, return to the train, and shape your build.

Current players

Updated Oct 29, 1:25 PM

24hr peak

Highest count in the last 24 hours

All time peak

Highest count in recorded history

Player history

498 observations in viewHistorical player data prior to Sept 2026 is from steamcharts.com.Oct 22, 2026, 1:25 PM – Oct 29, 2026, 1:25 PM

Game details

Rankings: Most Played#26,870
Developer: Haodex Games
Publisher: HaoHao Games
Release date: Oct 13, 2026, 7:57 PM
Languages: English, French, Italian, German, Spanish - Spain
Price: Free to play
Platforms: Windows
Features: Feature names
Single-player
Steam Achievements
Custom Volume Controls
Playable without Timed Input
Steam Cloud
Tags: Action RPG FPS Shooter Roguelike