Project II: Silent Valley — Steam game overview

Stored observation / content update: 2026-10-26T02:16:43.000Z

Project II: Silent Valley is a linear, semi-open world dystopian visual novel. Play as US Navy Officer Hierophan, joining the docile humanoid weapon Osprey to uncover a conspiracy at the underwater base "Silent Valley" and the hidden truths of his missing friend, Ochira.

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

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