30, with four new parks on the agenda for 2001 (Knoebels, Hershey, Dorney, and PKI), plus new coasters I haven't ridden at parks I've already been to, mainly Phantom's Revenge, and SFO's two woodies, not to mention their Flying Dutchman, if that actually happens.
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How dare you vanquish the Steel Phantom without his consent? Fear the Phantom's Revenge.