File: Cepheus.protocol.v1.1.18.zip ... -

: The original version (including v1.1.18) is now classified as the Legacy build , while a modernized, more stable version serves as the main game as of early 2026.

: Overhauled for better tactical positioning during TPS gameplay. File: Cepheus.Protocol.v1.1.18.zip ...

: You can play as a traditional RTS commander or take direct control of "Operator" hero units in a third-person perspective. : The original version (including v1

: Supports co-op for up to 16 players, allowing shared control of CERC operations. Current Development Status while a modernized

In Cepheus Protocol , you lead the to contain the Pangu Virus in San Francisco.