Put on your costume and head out with you your Treat Bag to enjoy Primegrid's Halloween Challenge. From October 24th, Primegrid will be running a spooky WoOOodall Challenge. The 7 day Challenge starts at 23:59:59 UTC and ends on 31st October one week later. Work units from the WOO (LLR) project, which are downloaded and completed during the challenge will count towards your challenge score. For more information and discussion, please head over to the official challenge thread: http://www.primegrid.com/forum_thread.php?id=8222BOO!

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