encyclopedia Jump to: navigation , search Prototype 2 Cover art Developer(s) Radical Entertainment [ 1 ] Publisher(s) Activision [ 1 ] Designer(s) Matt Armstrong Series Prototype Engine Titanium 2.0 [ 2 ] Platform(s) Microsoft Windows PlayStation 3 Xbox 360 Release date(s) PlayStation 3 & Xbox 360 April 24, 2012 [ 3 ]