In a very late announcement, developer Telltale Games has revealed that the second chapter of its five part Back to the Future adventure game series is now available for PC and Mac users. The second chapter is only available for folks who have purchased the full five episodes on the developer's official web site.

The second chapter is titled Get Tannen and deals with the consequences of the first episode where the timeline has been changed and the Tannen family is making things hard on the McFly family. Marty and Doc Brown have to back to 1931 to set things right. You can check out a trailer for the second chapter after the jump: