We all know what happens; Chell deactivates GLaDOS, gets put in extended relaxation only to be reawakened years later to fight again and escape. But what really happened in Aperture Science during the intervening years? Have you ever wondered: Why does Aperture look so different in Portal 2?
Conversion requires at least a Radeon X1900 GT or GeForce GT 340 to meet recommended requirements running on high graphics setting, with 1080p resolution. This hardware should achieve 60FPS. To summarise, Conversion needs around a 9 year old PC to play at recommended settings.