After the success of Tremors on home video, it should come as no surprise that it spawned a direct-to-video sequel. Tremors 2: Aftershocks released 6 years after the first, and quite a lot is different this time around. Not only are very few of the original cast present, but the creatures have fled south of the border... and a new beast has appeared! In funny horror movies fact things get so new, it is at times hard to see this as a sequel to Tremors...
Source: (blog post) Tremors 2 Movie Review - Decker Shado