In response to devaluation, WoW issued Non-Investment Grade Bonds, commonly known as junk bonds, in an effort to buoy itself. Although there is some contention as to whether this strategy would have helped, the attempt was made moot by the 1987 stock market crash. Worlds of Wonder filed for bankruptcy protection and was liquidated in 1988. They went through a series of layoffs. The creditors continued to operate the company in receivership until finally closing in late 1990. By 1991, Worlds of Wonder had closed and the remaining assets were liquidated.