I've been on High Roller about 150 times and Wild Thing, oh, about 100 times (both at Valleyfair!). Around the end of the day, Wild Thing is pretty much walk on, so I can just run out and right back on (too bad they won't let me stay on!).
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2001: Camp Snoopy [MoA], Big Chief, Elitch Gardens, Valleyfair, Six Flags WoA, and Cedar Point