WMS Industries' subsidiary WMS Gaming developed Star Trek-themed pinball machines in the early-to-mid 1990s and currently holds a license to develop Star Trek: The Original Series-themed slot machines for use in gambling establishments. WMS's slot machines utilize "Adaptive Gaming" technology that allows players the ability to personalize their game play, save their status and unlock additional bonus rounds and game episodes over time. Their Trek-themed machines are loaded with three fully-developed episodes.