When comparing Guardians of the Galaxy: Cosmic Rewind (Epcot) and TRON Lightcycle Run (Magic Kingdom), the "intensity" depends on whether you fear motion sickness or speed. Guardians is generally considered more intense in terms of duration and sensory overload. It is an "Omnicoaster" where the cars rotate 360 degrees while moving at 60 mph, often traveling backwards. The combination of the rotating motion and the massive screens can be very disorienting and is much more likely to cause motion sickness. On the other hand, TRON is more intense in terms of its initial physical launch; it propels you from 0 to nearly 60 mph in less than three seconds while you are leaned forward in a "motorcycle" position. However, TRON is much shorter—the entire ride lasts barely 60 seconds—and it moves in a very predictable, linear path with no backward motion or spinning. Most riders find TRON "scarier" during the launch, but Guardians "more intense" overall because it is a three-minute long, chaotic, and physically demanding experience. If you are prone to dizziness, TRON is the safer bet; if you want the ultimate "thrill" experience with music and storytelling, Guardians is the winner.