Patch Notes 2026.01.10.1
The rebuild is now the default version of Cepheus Protocol, and the first 48 hours gave us exactly what we needed: a real stress test at scale. Discord playtests help, internal testing helps, but nothing compares to thousands of players stress
Patch Notes 2026.01.10
The rebuild is now the default version of Cepheus Protocol, and the first 48 hours gave us exactly what we needed: a real stress test at scale. Discord playtests help, internal testing helps, but nothing compares to thousands of players stress
First 48 Hours After the Rebuild Merge | Patch Notes 2025.11.9.2
The rebuild is now the default version of Cepheus Protocol, and the first 48 hours gave us exactly what we needed: a real stress test at scale. Discord playtests help, internal testing helps, but nothing compares to thousands of players stress
The Rebuild Is Now the Main Game (Build Switch Update)
TLDR The Rebuild is now the standard installed version of Cepheus Protocol. The old version is now called Legacy, and it remains available as a Beta option. This rebuild was done to restore stability, improve performance, and modernize the foundation so the game
Development Update – Vehicles, Systems Progress, and What’s Coming Next
Everything in This Post Is Playable Right Now in the Private Playtesting Branch Before diving in: everything outlined below is already live and playable if you opt into the Private Playtesting branch on Steam. No password is required. We’re using this branch
Patch Notes 2025.11.23.2 – public-playtest – Custom Game options now in!
Patch Notes: Custom Game Options added to Pandemic it supports the following: Some Infected configurables We also added a new "presets" directory on our workshop expanding support for sharing presets. They are JSON files json custom game options "example" [c]{[/c] [c] "customUnitSettingsMap":[/c] [c] {[/c] [c] },[/c] [c] "blockedUnitSpawns": [[/c] [c] "Infected_Structure_GasTower"[/c] [c] ],[/c] [c] "customDaytimeTimescaleSetting": "None",[/c] [c] "customDayLengthInSeconds": 300,[/c] [c] "customNightLengthInSeconds": 300,[/c] [c] "customStartingHour": -1,[/c] [c] "startingMoney":
Patch Notes 2025.10.7 – public-playtest Treasure Island Now playable!
Patch Notes: Made Garrison component calculation better account for when a helicopter goes down in unnavigable regions and kills them . Improved the damage calculation to make units being in a destroyed vehicle roll damage randomly All TI Walls and fences now
The Battle of Half Moon Bay
A few times each week, our developers host public multiplayer sessions where we jump into the chaos ourselves—testing, refining, and showcasing the true state of the game. These sessions are open for everyone to join, chat, and experience the
Patch Notes 2025.10.30.3 – public-playtest Treasure Island Now playable!
W.I.P New Standard Infected meshes preview! Patch Notes: Various model improvements to Alcatraz island Pandemic Treasure Island Operation last Light Added (Beta) Angel and North San Francisco will be added in the coming months as we continue to add the ability for Infected
Patch Notes 2025.10.23.2 – public-playtest
Patch Notes: Radio System UI now in FAQ here! Radio System UI Supports Scrubbing (Coop working) Radio System UI Supports Play/Pause (Coop working) Radio System UI Supports Track Sync (Coop working) Radio System crash related to the host having a song and a client