When was Project Antumbra released?

Project Antumbra was released on July 1, 2016.

What platforms is Project Antumbra available on?

Project Antumbra is available on PC (Microsoft Windows).

Project Antumbra

About

Project Antumbra is a cooperative survival horror game currently in development. The game will feature an assortment of items to aid the survivors in their battle against their deepest and darkest fears. Project Antumbra will be published by the delaRosa Media Group art collective, and is based in Unity3D.