Millennium Force design and development phases of Millennium Force took place over five years. The first rumors that a new record-breaking roller coaster would be built at Cedar Point, which included speculation about a ten inversion roller coaster from Bolliger & Mabillard and an Arrow Dynamics MegaLooper, began circulating in early 1998. A roller coaster from D. H. Morgan Manufacturing was also rumored. On July 2, 1999, Cedar Fair Entertainment Company filed a trademark for the name Millennium Force, which raised more speculation about what the ride would be like. About a week later, the first track pieces were seen at the
Cosmos X2 Cosmos X1 and X2. As the X1 goes on its maiden voyage through the solar system, it disappears part-way through. Ensign Daverdy is assigned to pilot the Cosmos X2, the fighter variant of the Cosmos craft, and discover what happened to the X1. Upon reaching the point where Cosmos X1 disappeared, Daverdy comes across an alien invasion fleet that has captured the X1 and are on their way to his home world. The primary action takes place on the top screen with all meters, map, character messages and choices at the bottom. Players control the Cosmos X2 to stop the