X2, the CRAZIEST coaster experience! 😱 What’s the scariest roller coaster you’ve ridden? 💥🎢 🎥: National Coasters® Coaster Name: X2 • Park Name: #SixFlagsMagicMountain • Fun Fact: X2 (formerly called X) is the first 4th Dimension roller coaster in the world. It was designed and constructed as the last roller coaster by Arrow Dynamics. The seats can move independently of the track, 360 degrees forward and backward, based on spacing between a 4 rail system. • Opening Date: January 12, 2002 • Cl