The Pangu Virus has been unleashed in San Francisco, turning thousands of innocent lives into mindless beasts that feel no pain and have no fear of death. With each passing hour, the Pangu Virus evolves, creating new and ever more horrific mutations with one goal in mind… Spread.
You are Captain Winter, a military officer fighting alongside the Center for Epidemic Research and Control(CERC). With a massive arsenal and the resources of the US Government behind it, you and CERC will stop at nothing to ensure the terror of the Pangu Virus does not escalate beyond containment, even if a whole city and millions of lives must be sacrificed.
- Cepheus Protocol is inspired by classic RTS games such as Company of Heroes and World in Conflict, alongside the book World War Z.
- Survive if you can against a relentless enemy that evolves and grows more powerful with each day.
- Build specialized units from a variety of bases that can be placed anywhere in the open-world map.
- Battle those infected by the Pangu Virus across four open-world islands, featuring unique and challenging environments.
- Choose from three combat tiers that play to your style. Each tier has specialized units, equipment, and weaponry.
- Engage a relentless horde of infected which numbers grow larger and stronger with each territory captured as you battle for control of San Francisco.
- Hunt Patient Zero, who races across the city seizing territory. Each capture zone increases her population as the virus spreads and possesses all organic matter.
- Form an alliance or side against the Anarchist and Police factions, which struggle to survive among the madness that has enveloped San Francisco.
Note: Steam Remote Play is for allowing your friends to try out the game if you already have purchased it. It's not for online co-op: that is is planned in the current roadmap, but is not complete yet
Patch Notes
Fixed a fatal crash related to the bridges being destroyed
[/*]Fixed a cache issue that caused localizations to fail to switch
[/*]All localizations updated. German, Spanish, Simplified Chinese, Japanese, Korean, Russian, French and Portuguese Brazil
[/*]
How to Opt In
Heres how to opt into the Cepheus Protocol public playtest on Steam:
[olist]Open Steam and go to your Library.
[/*]Right-click Cepheus Protocol and select Properties.
[/*]In the left panel, click on Betas.
[/*]From the dropdown menu, choose public-playtest.
[/*]Close the window. Steam will automatically begin downloading the playtest branch.
[/*][/olist]Once the download is finished, youll be running the public playtest version.
Recap for those late to the party
[img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/33900595/1429b3c3c0709036e353974598d8548482b013e6.gif\"][/img]
[dynamiclink href=\"https://store.steampowered.com/news/app/979640/view/537736957039477252\"][/dynamiclink][dynamiclink href=\"https://store.steampowered.com/news/app/979640/view/537735054151909377\"][/dynamiclink]
Whats Coming Next
Immediate priorities are:
Balancing the new [strike]Builder Drone[/strike] and Juggernaut AI
[/*]Wrapping helicopter polish (directed landings, pads, operator features, desync fixes)
[/*]Fixing AI issues with enemy prioritization and tactical decisions
[/*]Frequent bug fixes as we get reports
[/*]Chelseys AI
[/*]Juggernauts are undergoing testing at the moment
[/*]Population Meter re-implemented at the bottom-left of the UI for tracking infection strength
[/*]Once helicopters and AI stability are locked in, focus will shift to Custom Game Options so players can tune pacing and difficulty. Vehicle driving AI and pathfinding are next in line, but we may hold off depending on the volume and severity of bug reports.
[hr][/hr]October Goals
We are aiming to flip the rebuild into the default experience by the Halloween Sale, with older versions still available as an opt-in. The exact timing will be based on stability, bug reports, and community feedback our goal is to get as many people as possible playing on the rebuild once its ready.
October priorities include:
Implement the AJAX(HUMVEE) as a test bed for vehicle driving. Work with the community to establish a good \"core\" vehicle driving. After its \"done\" we start porting over all the wheeled vehicles and follow up with the Abrams and co.
[/*]Extensive Bug hunts / Performance tweaks
[/*]A save/load system for Pandemic
[/*]Bay Area map updates: Treasure Island and Angel Island are under renovation, with rollout expected around Halloween. Stay tuned! We will aim to release this map in segments going into XMAS. Starting in stages
[olist]Treasure Island->
[/*]Angel & Alcatraz Island ->
[/*]San Francisco North
[/*][/olist][carousel autoadvance=\"true\"][img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/33900595/15f13d07ae91869b3046e19612a06c0772114b7a.png\"][/img][img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/33900595/533f563ba7b0e8b9e03cf32d30542501af4a8d91.jpg\"][/img][img src=\"https://cdn.cloudflare.steamstatic.com/steamcommunity/public/images/clans/33900595/8cdec0d9983e690201acf07ca24f714a13d9d1c9.jpg\"][/img][/carousel][/*]On top of these big-ticket items, there are many smaller details and fine-tuning tasks underway some not listed here but discussed in recent CERC HQ broadcasts. October will be a mix of large features and constant iteration as we refine the fundamentals.
[hr][/hr]Last Time on CERC HQ
Cepheus Protocol | CERC HQ | #69
This weeks update is a no-holds-barred breakdown of Pandemic modes evolution, centered around the rebuild of Treasure Island and a total systems overhaul. Robert walks through the new layered rollout strategy for map expansion, beginning with a playable slice of Treasure Island set to launch around Halloween. With Unreal Engine 5s precision fixes, the team can finally realize their original vision for a scalable, destructible, and immersive RTS battlefield.
Level design gets serious upgrades, including foliage placement, bridge logic, and terrain verticalitywhile the devs debate whether to support multi-tiered underpasses for gameplay. On the AI side, huge strides are made in how infected evaluate targets, spread, and adapt to player fortifications. Pathfinding gets tighter, blowup enemies are rebalanced, and new debug systems give devs visibility into AI logic mid-match.
Operators get more integration with RTS elementsriding helicopters, building structures, and coordinating in full co-op squads. Helicopter physics and weapon balance receive a full pass, alongside early work on ground vehicle deployment starting with the Ajax. Meanwhile, discussions begin on evolving infected variants and bringing dynamic civilian factions back with better AI direction systems.
Chelseas overhaul is still coming. Juggernaut and Builder units continue to be tested. And yes, feedback from Discord and Steam is actively shaping next steps.
[hr][/hr]Highlights
Treasure Island rebuild set for Halloween rollout with layered map expansion
[/*]Fully revamped AI threat logic, pathfinding, and zone targeting
[/*]Debate over under-bridge traversal and visibility in RTS gameplay
[/*]Helicopter balancing complete: physics, flight feel, and weapon tuning
[/*]Operators now ride, build, and interact deeply with RTS mechanics
[/*]Juggernaut and Builder infected updated with smarter behaviors
[/*]Upcoming work on vehicle AI, bridge destruction, and custom doctrines
[/*]New debug tools help devs analyze AI decisions during play
[/*]Feedback-driven dev cycle with live balance adjustments
[/*]Community Q&A covers everything from faction AI to turtling tactics
[/*][hr][/hr]Patch Preview
Expect nerfs to blowup units, tweaks to helicopter refueling, and tighter threat evaluation logic. The Ajax vehicle rollout begins soon, and feedback is requested for bridge logic, underpass use, and unit camera control. Its shaping up fastget ready to test hard and break things.
[hr][/hr][dynamiclink href=\"https://youtu.be/_vPNXsx32RQ\"][/dynamiclink]
[u] Next CERC HQ Livestream Details[/u]
When: Weekly Saturdays 3 PM EST (New Time!)
Where to Watch:
Topics We\'ll Cover:
Co-op Progress
[/*]Total Revamp based on Community Feedback
[/*]Level Design Updates
[/*]Dont miss our Live Q&A! Well be answering questions from the community during the stream.
[hr][/hr][u] Missed a Stream? No Worries![/u]
Spotify Podcast Archive (VODs may take 24 hours to appear)
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