Cepheus Protocol — Steam game overview

Stored observation / content update: 2026-10-25T13:33:11.000Z

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.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.