Zombie Day Protocol
By Haodex Games · published by HaoHao Games
About Zombie Day Protocol
Zombie Day Protocol is a game tagged Action, FPS and RPG by Haodex Games, launching on Steam on Nov 29, 2026. That is a mild week for games like it, with 55 similar games launching the same week. The quietest week ahead for games like it starts Nov 23. The Steam games most like it include Carnival Of Souls, Grave Rounds and Kosta Projekt.
Activate beacons, summon the horde, and shoot your way out! Survive a 25-day train journey in this first-person zombie shooter. Return aboard between battles to gear up and shape your build. Fulfill a mysterious company's contract and reach the survivors' camp alive.
Launch window
Open in Launch Week CheckerBusiest weeks for games like this one in the next 12 weeks:
- Week of Oct 26, 2026 — Packed, 242 similar games
- Week of Nov 2, 2026 — Packed, 178 similar games
- Week of Nov 9, 2026 — Busy, 134 similar games
Quietest: Nov 23, Dec 7, Jan 11.
Also launching the week of Nov 23
All upcoming games
Steam data
Everything Steam lists for Zombie Day Protocol · record updated 2 days ago
Overview
App info
- App type
- Game
- Developer
- Haodex Games
- Publisher
- HaoHao Games
Platforms
Features
4Patches
Patch notes
1-
Oct 17, 2026 Congratulations to Our First Demo Finisher & Update Notes
Hello, survivors!Our first player has completed the demo! Congratulations on fighting through the horde and finishing the challenge. And thank you to everyone who has boarded the train, shared their experience, and sent us suggestions!Demo…
Data from public Steam pages, updated daily; 4 days of history. LaunchRivals is not affiliated with Valve or Steam.