Cepheus Protocol
Patch notes · News · Live player count
About
Cepheus Protocol is an Open World RTS Military Survival Game. Play as the CERC hunting Patient 0, maintain Quarantine camps, fight dangerous mutations & Rogue Civilian Combatants . There’s nobody else coming, it’s up to you now.
Media Gallery(43)
Patch Notes & Announcements(353)
MINOR2026.6.11.1 QOL Improvements and Bug Fixes
The virus is loose across the Bay Area. Flashpoints are erupting across the peninsula as entire districts fall into chaos and infected swarms push deeper into civilian zones.CERC forces are already in
MINOR2026.6.8.2 Civilian Evacuation Live On Public
Civilian Evacuation Is Now Live On PublicCivilian Evacuation has now moved from Experimental into the default Public install of Cepheus Protocol.For the last few weeks, players have been able to test
MAJOR2026.6.2.1 : Now out!
The virus is loose across the Bay Area. Flashpoints are erupting across the peninsula as entire districts fall into chaos and infected swarms push deeper into civilian zones.CERC forces are already in
HOTFIX2026.5.30.6.2 : Hotfix
The virus is loose across the Bay Area. Flashpoints are erupting across the peninsula as entire districts fall into chaos and infected swarms push deeper into civilian zones.CERC forces are already in
MINOR2026.5.30.6: Evacuation Waystations and Efficiency Controls
The virus is loose across the Bay Area. Flashpoints are erupting across the peninsula as entire districts fall into chaos and infected swarms push deeper into civilian zones.CERC forces are already in
MINOR2026.5.24.1 & The Next 60 Days of Cepheus Protocol
The virus is loose across the Bay Area. Flashpoints are erupting across the peninsula as entire districts fall into chaos and infected swarms push deeper into civilian zones.CERC forces are already in
MINOR2026.5.22.9 Experimental Civilian Evacuation Preview, SF North Live
Update On Progress… Live on Experimental Civilian Evacuation Mechanics Progress UpdateThis month’s update is focused on two major pieces of the rebuild: Civilian Evacuation and San Francisco North. Ci
MINORCivilian Evacuation Changes Everything
The virus is loose across the Bay Area. Flashpoints are erupting across the peninsula as entire districts fall into chaos and infected swarms push deeper into civilian zones.CERC forces are already in
MINORPhase 3 is fully underway, and the end is in sight
🎧 Last Time on CERC HQ…Cepheus Protocol | CERC HQ | #84Civilian evacuation is finally coming together, and it’s reshaping how every system in the game connects.Phase three kicks off with a full evacu
MAJORCERC HQ Stream Tonight | Phase 2 Wrap Up and Civilian Evacuation 2.0
Phase 2 is coming to a close within the next 24 hours as we finish the final adjustments to the bird systems. With that work wrapping up, development is already moving forward into the next major syst
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