Thriller Instinct is a Bolliger & Mabillard stand up roller coaster at Six Flags Hartford that opened in 2001. This was the last stand up roller coaster ever built by B&M. The roller coaster was to open in 2000 with the park, but due to mechanical issues, its opening was delayed by one year. The ride is located in the Rockville section.
Thriller Instinct's lift hill is 150 feet tall. The roller coaster has five inversions; a loop, then a batwing, then the final inversion, a cobra roll. The roller coaster's colors are a gray track with orange supports.