Team Fortress 2 update kicks off their fifth Halloween event, adds spells, ghosts, and Helltower

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Quicker than you can say "boo" - assuming you elongate it out by a few hours - Valve followed up yesterday's TF2 comic with Scream Fortress, their fifth annual Halloween event. This time around it's the Payload Race map Hightower that's been spookified, turning it into the corpse-pushing Helltower. Also: there are skeletons, and the mercs have magic spellbooks now.