Cepheus Protocol
Halcyon Winds Developer
Halcyon Winds Publisher
2020-05-15 Release
🎹🖱️Keyboard + Mouse
Very Positive
(2363 reviews)
Game is not tagged as available on Linux on Steam.
Patch - 1.2.7.6 Dynamic Civilian Groups (Experimental Only)How to opt into Experimental
To opt into experimental install "Cepheus Protocol Experimental" in your steam library.
It is no longer a beta opt in but an entirely new game granted when you purchase the base game.
Patch Notes
(Click Show details for a full breakdown of the changes)
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- Civilian T posing fixed
- Added 2 more achievements for EGS requirements/Steam
- Speculative crash fixes for Animation related crashes
- Speculative crash for CentralSpawner deregistration of a prefab (it changed factions on the prefab back to Nullptr, but BEFORE deregistering delegates, and faction change also causes deregistration - this caused it to 'deregister twice' and access invalid memory)
- Fixed five reported buildings that were not interacting with civilian evac systems (they were missing infection zone ptrs)
- Replaced Starter island Bridge.
- You can now clear Civilian camp assets with the Landscape/Clearing tool once the central tent is destroyed
- Hopefully fixed the fire crash.. Its more rare now but still occurs
Please note the following going forward (Restart your game/steam to get the update if needed
[/expand]
Known Bugs
(Click Show details for a full breakdown of the changes)
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General Development Updates
[expand type=details]
https://youtu.be/GV3YOssGEfs
https://youtu.be/LOdVk1yiuak
Letter from the Producer
https://steamcommunity.com/games/979640/announcements/detail/3718325557390407190
New Roadmap system
We now have a new system for our community to follow along on development. This website will break down all the major systems that are coming each patch. It will not include hotfixes/bug fixes. Sections inside TBD can be included randomly if we are ahead of schedule
https://www.notion.so/cepheusprotocol/Cepheus-Protocol-31f1b25ce00148d6844825f4a0c0bc08
[/expand]
Ways to Support Development
[expand type=details]
Everything goes towards expanding the team and building a better game!
Consider Supporting us on Patreon
Cepheus Protocol Anthology
Experience the outbreak of the Pangu Virus from multiple perspectives across as the brave heroes of the Center for Epidemic Research and Control battle tirelessly to stop the spread of a cataclysmic alien virus that has mutated innocent people into monstrous creatures of unimaginable power
https://store.steampowered.com/app/1707120/Cepheus_Protocol_Anthology_Season_1/
First 40 Minutes of Cepheus Protocol Anthology Season 1
https://www.youtube.com/watch?v=6eWbDibGMrU
[/expand]
[ 2023-04-19 07:51:45 CET ] [ Original post ] 
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
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