Want a fresh world to explore? If you haven't already entered the insanity that is Borderlands 2, this weekend represents your best bet. Beginning today and until Sunday at 1pm PT, the game is available to play for free on Steam.

As part of the promotion, Borderlands 2 and its content are currently on sale for up to 75% off. You can grab the single game, sans DLC, for $4.99 or double down for $9.99 and nab the Game of the Year Edition, featuring bonus content.

If you're a forward thinking player, this week Steam has opened pre-orders up for the next installment in the series, Borderlands: The Pre-Sequel. Launching October 14, The Pre-Sequel is coming to PC, Xbox 360 and PS3.
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Borderlands 2 (7/13/12)

This article was originally published on Joystiq.