Irrational Games have released a new trailer for their upcoming title, BioShock Infinite.

The video goes behind the scenes to learn about how Irrational Games worked to create Elizabeth, a companion character designed specifically to bring the player closer to the story. Viewers get to meet the four women who devoted themselves to making Elizabeth more human than your average video game character, and the process involved in making her come to life.

Enjoy the trailer and let us know your thoughts via the comment section below.

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BioShock Infinite will be released for the Xbox 360, PlayStation 3 and PC on March 26th.