Current players
44Updated Oct 28, 11:00 AM
Cepheus Protocol
About the game
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.
24hr peak
100Highest count in the last 24 hours
All time peak
378Highest count in recorded history
Followers
22,117Updated Oct 27, 6:31 PM
Player history
964 observations in viewHistorical player data prior to Sept 2026 is from steamcharts.com.Oct 21, 2026, 11:10 AM – Oct 28, 2026, 11:00 AM
Follower history
7 observations in viewOct 21, 2026, 6:31 PM – Oct 27, 2026, 6:31 PM
User reviews
Positive reviews
75.3%
- Positive
- 2,867
- Negative
- 942
Updated Oct 28, 7:39 AM
Review history
7 observations in viewOct 22, 2026, 7:36 AM – Oct 28, 2026, 7:39 AM
Store prices
Current prices
| Currency | Price | Updated |
|---|---|---|
USD $19.99 | Oct 26 | |
AED 59.99 | Oct 26 | |
ARS 10.99 | Oct 26 | |
A$28.50 | Oct 26 | |
R$67.99 | Oct 26 | |
CA$23.99 | Oct 26 | |
CHF 17.49 | Oct 26 | |
CLP 11,999 | Oct 26 | |
CN¥77.00 | Oct 26 | |
COP 48,999.00 | Oct 26 | |
CRC 9,600.00 | Oct 26 | |
€20.49 | Oct 26 | |
£17.75 | Oct 26 | |
HK$115.00 | Oct 26 | |
IDR 174,999.00 | Oct 26 | |
₪71.99 | Oct 26 | |
₹915.00 | Oct 26 | |
JP¥2,600 | Oct 26 | |
₩21,000 | Oct 26 | |
KWD 3.80 | Oct 26 | |
KZT 5,720.00 | Oct 26 | |
MX$259.99 | Oct 26 | |
MYR 46.99 | Oct 26 | |
NOK 235.00 | Oct 26 | |
NZ$30.99 | Oct 26 | |
PEN 48.49 | Oct 26 | |
₱599.00 | Oct 26 | |
PLN 84.99 | Oct 26 | |
QAR 49.99 | Oct 26 | |
RUB 855.00 | Oct 26 | |
SAR 46.49 | Oct 26 | |
SGD 20.75 | Oct 26 | |
THB 369.00 | Oct 26 | |
TRY 10.99 | Oct 26 | |
NT$377.00 | Oct 26 | |
UAH 430.00 | Oct 26 | |
UYU 667.00 | Oct 26 | |
₫274,000 | Oct 26 | |
ZAR 194.99 | Oct 26 |
Price history
184 observations in viewHistorical price data prior to Oct 2026 is from isthereanydeal.com.May 16, 2020, 1:21 AM – Oct 26, 2026, 5:42 PM