Six Flags Great America's Iron Wolf is first roller coaster designed by the now famous Swiss coaster design shop – Bolliger & Mabillard.
|1990||Steel||Stand-Up||Bolliger & Mabillard|
Inversions: Vertical Loop, Corkscrew
2012 – Iron Wolf relocated to Six Flags America and renamed Apocalypse
September 5, 2011 – Final day of operation
Opening date: April 28, 1990
Train has seven cars with one row each, standing four abreast per row.
Height requirement: Riders must be at least 54 inches tall
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