IGT software has produced the first progressive jackpot Wheel of Fortune slots machine, and this company offered the first one million dollar jackpot. The company has maintained its identity and name in spite of being acquired. After years of expansion and acquisitions, IGT was purchased by the Italian giant GTech. IGT originated as a gaming company in the seventies and changed its name more than once before deciding on IGT. Want to search for some hidden treasure of the oceanic bed? Ocean Magic is a vibrantly colourful slot created by powerhouse entertainment machine developer IGT.