The Hi-Rez Forums have word that to celebrate passing the half-million fan threshold on Facebook, a double XP weekend is now underway in Tribes Ascend, their multiplayer shooter remake. Here's word:

Overview

• You can play on any existing public or custom server between Friday, May 25th at 10:00am EST through Tuesday, May 29th at 10am EST and you will receive twice the base experience per match.

Additional Details

• The double XP event will apply to servers worldwide.
• All players are eligible for the Double XP event whether or not they are fans of the Tribes: Ascend Facebook page.
• The promotion applies only to base XP. It does not apply to other XP sources such as Accolades or First Win of The Day.
• The promotion applies to public servers and custom servers that exist as of Friday, May 25th at 10:00am EST. The promotion does not apply to any Custom Server created or made active after the start of the event.
• Players with VIP status and/or an active XP boosts will receive those bonuses in addition to the double XP.