I think there may be a problem here...
Six Flags Magic Mountain is not actually a restaurant, but rather an amusement park located in Valencia, California. It's known as the "Thrill Capital of the World" due to its 20 roller coasters, including record-breakers like Twisted Colossus and Full Throttle.
The park spans over 262 acres and features various themed areas, such as Gotham City, Metropolis, and Bugs Bunny World, among others. Visitors can enjoy a range of attractions beyond just the rides, including shows, live events, and interactive experiences.
While there may be on-site dining options within the park, it's unlikely that Six Flags Magic Mountain would have a standalone "restaurant" as its primary focus. However, I can try to provide some information on the types of eateries you might find within the park.