Pinterest Facebook Twitter Email iSpeed's Astonishing G-Force 01:54 iSpeed shows its G-force power, peaking at positive 4.0 at the very start. From: Insane Coaster Wars: World Domination and Upside Down Under Similar Topics: Outdoors and Adventure Amusement Parks Travel's Best Summer Family Related Videos Plummeting Heights with iSpeed 01:57 Italian Katun Coaster 02:02 Flying on Furius Baco 01:48 High-G Furius Baco 01:40 Germany's Gratifying GeForce 02:02 A Colossal Ride on Colossus 01:55 The Colossus in Heide Park 01:56 Shambhala at PortAventura 01:53 More Videos Europa-Park's Blue Fire 02:20 Secrets of Successful Sliding 02:34 Superman Flies Down Under 02:14 Hurtling Down Takabisha 02:08 Fuji-Q's New Heights in Japan 02:11 Maverick's Mad Ride 01:55 Wildwood Thrills in New Jersey 02:48 New Jersey's Dizzying Nitro 02:46 Skyrush in Hershey Park 01:42 Magnum Coaster at Cedar Point 02:12 New Jersey's Great Adventure 01:53 Faster Than a Speeding Ferrari 03:11 The Leviathan in Toronto 01:58 Magic Mountain's Extreme X2 02:07 Coney Island's Classic Cyclone 02:29 Volcano the Blast Coaster 01:23 We Recommend Insane Coaster Wars: World Domination Pictures 51 Photos