Cepheus Protocol CD Key
PC price comparison · Halcyon Winds · May 15, 2020
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.
Lowest final price
at Steam · Standard Official
Historical low: $19.99 on October 31, 2026
Get the best deal ↗Compare Cepheus Protocol key prices
Sorted by final price including fees, never by commission.
| Store | Edition | Activates on | Region | Price | Fees | Final price | |
|---|---|---|---|---|---|---|---|
SteamOfficial | Standard | Steam | Global | $19.99 | none | $19.99 | Go to store ↗ |
- SteamOfficial
Standard · Steam · Global
$19.99 · fees: noneGo to store ↗$19.99
Cepheus Protocol price history
The chart appears after a few days.
Historical lows by store
- Steam$19.99
About Cepheus Protocol
Special Announcement: Opt Into Cepheus Protocol Experimental Builds Be the first to experience cutting-edge features and updates by opting into Cepheus Protocol branch Experimental Builds! What You'll Get: Early access to new gameplay mechanics, systems, and features. A chance to provide feedback that shapes the future of Cepheus Protocol. A sneak peek at upcoming content and improvements before they hit the main build. How to Opt-In: Buy/Own the Base Game of Cepheus Protocol Go to your Steam Library. Right click and go to properties Go to Game Version & Betas and choose experimental Install and have fun! About the Game 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…Read more
Cepheus Protocol system requirements
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
Cepheus Protocol key FAQ
+What is a Cepheus Protocol CD key?
A Cepheus Protocol CD key is a digital code that unlocks the game on a PC platform such as Steam. After redeeming it, you download the game directly from that platform and it stays in your library.
+What is the cheapest price for Cepheus Protocol?
The cheapest Cepheus Protocol key right now costs $19.99 at Steam. We compare 1 offers from 1 store, and the price already includes payment and service fees.
+What is the historical low for Cepheus Protocol?
The lowest price we have recorded for Cepheus Protocol is $19.99 on October 31, 2026. Check the price history chart to decide whether to buy now or wait for the next sale.
+Is it safe to buy a Cepheus Protocol key?
Buying from an official store such as Steam, GOG or Epic Games is always safe. Key resellers are often cheaper but sell keys second-hand, so check the region lock and buyer protection before you buy. Every offer on GameKeyDeal is labelled as official or reseller.
