The Voyage - roller coaster - was created in 2006.
The voyage roller coasters top speed is 67.4mph
Twister - roller coaster - was created in 1999.
Millennium Roller Coaster was created in 1999.
Stealth - roller coaster - was created in 2006.
Rattler - roller coaster - was created in 1992.
Demon - roller coaster - was created in 1976.
Mantis - roller coaster - was created in 1996.
Vampire - roller coaster - was created in 1990.
Nitro - roller coaster - was created in 2001.
Whirlwind - roller coaster - was created in 1993.
Thunderbird - roller coaster - was created in 2006.
Hades - roller coaster - was created in 2005.