5. Irrational Part 1: Offshooters (2010)

Before you pick up BioShock 2, check out how the series' creator, Irrational, was itself created. In this first episode, watch and see how a couple of disgruntled employees left their old company to start a new one, only to partner back up with them right away. The result was video game legend, System Shock 2.

Release date: 2010-02-01