Abstract: An electronic reaction timer game device is disclosed that may be used in a game of skill by a solitary player or by a team of players. Plural games are disclosed that include best-time and head-to-head competitions and tournaments. The invention provides an improved electronic reaction timer game that controls the interaction among one or more participants, between individual participants and the game device and between multiple participants and the game device. Game devices are disclosed that can generate automatic sequences of events and stimuli to prompt response by one or more participants. System and methods are disclosed that enable measurement and display of reaction times. Embodiments of the invention provide tournament games employing the game device. System and methods are disclosed for hosting tournaments. Team, family and individual tournament games are disclosed. Systems and methods of hosting tournament games are disclosed.