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About Cepheus Protocol
An Open World RTS Military Survival Game. Command CERC (Center for Epidemic Research and Control) to stop a pandemic-level event from consuming the Bay Area. The Pangu Virus threatens humanity as it spreads, turning native inhabitants into infected, relentless swarms. Can you adapt, survive, and reclaim control?
Hardcore RTS Military Combat Meets Survival Horror
Aircraft Carrier Operations
Your mobile base of operations in Pandemic Mode. If it’s destroyed, you lose. Defend it at all costs and utilize Winters, now a rebuildable hero, to lead your forces.A New Threat Rises
Battle infected hordes that can infect and turn your own units. Command land, sea, and air forces to hold the line in this unforgiving world.Co-Op Multiplayer up to 16 players in true RTS/TPS hybrid combat!
Share control of CERC operations with up to 16 players. Pool resources, coordinate tactics, and fight as a team against the infection.
Dynamic Gameplay Systems
Command the Operator
Control the battlefield in Third-Person Shooter mode or use the Operator as a hero unit in RTS mode. Adapt your strategies to survive.Doctrine Tree Progression
Unlock new support options, powerful weapons, and unique units by leveling up through the Doctrine tree.Customize Pandemic Mode
Create your perfect challenge. Turn off infected types, adjust gameplay options, and create custom scenarios to tailor the experience.Character Progression
Improve your characters’ health and targeting efficiency as they gain experience through combat.
Innovative Mechanics and Features
Line of Sight and Hearing AI
Experience cutting-edge AI that hunts your units based on what they can see and hear. Stay stealthy, or face overwhelming swarms.Massive, Detailed Maps
Explore sprawling urban environments filled with varied locales. Plan every attack, defense, and civilian evacuation carefully to ensure survival.Dynamic Civilian Diplomacy (Legacy Only Coming in Q2 to rebuild)
Interact with rogue civilian groups. Recruit them to your cause, negotiate alliances, or defend yourself from hostile factions.Civilian Evacuation (Legacy Only Coming in March to rebuild)
Manage who lives and dies with an intricate Civilian Administration Structure. Customize your intake system or use preset templates to make critical decisions.
Destroy the Infection
Research the Pangu Virus
Delve into the secrets of the alien pathogen and find a way to kill Patient 0 before it’s too late.Hunt Patient 0 and Their Lieutenants
Stop the infection from spreading by targeting its leaders. Destroy their expanding hordes before they consume every province.Dynamic Provincial Events
Encounter unexpected challenges as rogue civilian combatants and infected groups form dynamically across the map. Your reputation and decisions will shape the world around you.Enhanced Operator Customization
Tailor weapons, abilities, and appearance. Drive vehicles, gain progression perks, and refine your playstyle for maximum impact.
Planned Features
DNA Research System
Develop a proper progression tree to counter the virus, protect your units, and evolve your strategies.Canon Campaign Mode
Experience the official Cepheus Protocol story, inspired by the novel and side stories
Game Specifications
- Single player
- Windows
System Requirements
Windows
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10/11 (64-bit)
- Processor: Intel® Core™ i5-4500K
- Memory: 8 GB RAM
- Graphics: NVIDIA GeForce 1060 GTX or AMD Radeon Equivalent 4 GB
- DirectX: Version 12
- Storage: 8 GB available space
- Sound Card: Direct X Compatible
- Additional Notes: **recommended SSD install for optimal performance
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10/11 (64-bit)
- Processor: Intel® Core™ i7-6770K / AMD Ryzen 5 1500X
- Memory: 16 GB RAM
- Graphics: NVIDIA GeForce 2060 GTX or AMD Radeon Equivalent 6GB VRAM
- DirectX: Version 12
- Storage: 8 GB available space
- Sound Card: Direct X Compatible
- Additional Notes: **recommended SSD install for optimal performance
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Frequently asked questions about Cepheus Protocol
What is the cheapest price for Cepheus Protocol Steam key?
The cheapest redeemable Steam key currently listed is $3.02 at Kinguin. Prices were last checked on November 12, 2026.
View key offersWhat is the difference between key and account offers for Cepheus Protocol?
Gamescade currently lists 12 redeemable keys and 3 account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for Cepheus Protocol?
Minimum PC requirements for Cepheus Protocol include an Intel® Core™ i5-4500K CPU, 8 GB RAM, a GPU with NVIDIA GeForce 1060 GTX or AMD Radeon Equivalent 4 GB, and 8 GB of available storage. See the full requirements below.
What is the Cepheus Protocol release date?
Cepheus Protocol was released on May 15, 2020.
Is Cepheus Protocol single-player, multiplayer, or co-op?
Cepheus Protocol is listed as a single-player game. No multiplayer or co-op modes are currently listed.
Where can Cepheus Protocol offers be activated?
Current Cepheus Protocol key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
Which platforms have active Cepheus Protocol deals?
Gamescade currently lists active Cepheus Protocol deals for PC.
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