# Cepheus Protocol Novelization

Summer DB entity ID: a98cfadd\-9612\-446d\-9deb\-b45fee7b562b

Steam App ID: 1387390

The Cepheus Protocol Novelization, written by Christopher Lee Buckner, is a gripping insight into the events before and during the game\.     After a mysterious meteorite is discovered in Antarctica in the late 1990s, an alien virus is harvested and developed into a horrific weapon of war\. When a sample is taken after a daring Navy SEAL raid on a Chinese military facility, the Pangu Virus is accidentally released on the cargo ship Voyager Dawn where Chelsey Trader is exposed, becoming patient zero\. Chelsey begins to spread the virus among the population of Treasure Island, San Francisco, which are mutated into murderous creatures with one goal, spread the Pangu Virus to all life\.     The only group capable of stopping the spread of the virus is the men and women of the CERC, an elite government force created to combat a global rise in viral and biological warfare\. However, what they encounter goes beyond anything the CERC has trained for\.     Experience the events of the Cepheus Protocol through the eyes of those on the ground as many some struggle to survive, while others seek to stop Chelsey Trader before our world is transformed into an alien hellscape\.    Instructions are as follows:  ==========================  Upon purchase, this book will be downloaded to your computer in one format: pdf\. To access your ebook, navigate to the ebook folder in your Cepheus Protocol game folder\.  \* Right click Cepheus Protocol in your Steam Library  \* Select Properties  \* Go to the Local Files tab  \* Click Browse Local Files  \* Open the ebook folder  \* To read the book on your mobile device, transfer the pdf ebook reader app\. Enjoy\!  ==========================

## Game information

- Type: dlc

- Developer: Halcyon Winds

- Publisher: Halcyon Winds

- Release date: Sep 25, 2020

- Coming soon: false

- Free to play: false

- Parent Steam app: 979640

- Genres: Action, Adventure, Indie, Simulation, Strategy

- Categories: Single\-player, Downloadable Content, Family Sharing

- Platforms: windows, mac, linux

- Website: Not collected

- Screenshots: https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1387390/ss\_bfcaf5057c41f19077f8952a126fdd014b8fcd70\.1920x1080\.jpg?t=1690841521, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1387390/ss\_9f880764e789d0d621f9ed97d987fe99d9282153\.1920x1080\.jpg?t=1690841521, https://shared\.akamai\.steamstatic\.com/store\_item\_assets/steam/apps/1387390/ss\_bceba0173a487891c7e1e7680fbb5d9d3a815b33\.1920x1080\.jpg?t=1690841521

- Price: 499 minor units USD; discount 0%

- Price country: US

## Observed metrics

- Current players: Not collected

- Steam review count: 7

- Steam positive reviews: 7

- Steam negative reviews: 0

- Steam positive percentage: 100%

- Summer DB rating: No native votes

Review filters: \{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}

## Player history

[Seven-day chart data as Markdown](/api/v1/entities/a98cfadd-9612-446d-9deb-b45fee7b562b/player-metrics?days=7&format=markdown) · [JSON](/api/v1/entities/a98cfadd-9612-446d-9deb-b45fee7b562b/player-metrics?days=7)

Chart values are hourly observed maxima. The sampled 24-hour peak and missing intervals carry explicit coverage; history before collection is unknown.

## Sources and freshness

- Catalog membership: store\_catalog

- Catalog observed: 2026\-09\-28T16:58:32\.455488\+00:00

- Details observed: 2026\-09\-25T05:20:32\.666672\+00:00

- Player count observed: Not collected

- Reviews observed: 2026\-09\-25T05:20:34\.670372\+00:00

Full provenance: \{"urls":\{"price":"https://store\.steampowered\.com/app/1387390/","catalog":"https://api\.steampowered\.com/IStoreService/GetAppList/v1/","details":"https://store\.steampowered\.com/app/1387390/","players":null,"reviews":"https://store\.steampowered\.com/appreviews/1387390"\},"price":"2026\-09\-25T05:20:32\.666672\+00:00","source":"steam","catalog":"2026\-09\-28T16:58:32\.455488\+00:00","country":"US","details":"2026\-09\-25T05:20:32\.666672\+00:00","players":null,"reviews":"2026\-09\-25T05:20:34\.670372\+00:00","language":"en","editorial":null,"membership":"store\_catalog","observations":\{"price":"a86dccb6\-3b33\-4456\-a6db\-44d88a279da7","catalog":"e2ef5dd8\-ff78\-4f87\-a341\-bcfe08f3948a","details":"1f24a643\-b21d\-4738\-8822\-9ae46550f500","players":null,"reviews":"860ee236\-03cd\-4fdb\-914b\-227a05011076"\},"reviewFilters":\{"language":"all","review\_type":"all","purchase\_type":"all","filter\_offtopic\_activity":0\}\}

Native rating methodology: \{"count":0,"average":null,"entityId":"a98cfadd\-9612\-446d\-9deb\-b45fee7b562b","revision":0,"observedAt":null,"methodology":"arithmetic\-v1","distribution":\[0,0,0,0,0,0,0,0,0,0\]\}

Steam reviews are not Summer DB votes. Missing data is not zero. Player counts are observations, not historical peaks. A supplemental record does not establish that a game was delisted.

[Steam store](https://store.steampowered.com/app/1387390/) · [JSON](/api/v1/games/a98cfadd-9612-446d-9deb-b45fee7b562b)