Limit FPS option

What does the "Limit FPS" option do?

FPS = frames per second.

This option limits the frames per second while NoLimits simulates a coaster, such as that B&M called Kumba.

If you have "Limit FPS" turned on, NoLimits will make sure that the FPS never goes above 100. If it's off, you're likely to see FPS in the range of 250-300 if you're on a decent computer. If you have a low-end or old computer, you probably won't notice a difference unless you regularly achieve 100 FPS when riding coasters.