Handheld electronic game by less bright dots). In 1978 the Milton Bradley Company entered the handheld market with Simon, a simple color-and-sound-matching game. Simon had no dedicated display, but featured four colored, lighted buttons; the original version was large enough to be used as a tabletop game or a handheld; later versions became increasingly smaller. The same year, Parker Brothers also released Merlin, a more sophisticated handheld which could play six different games using an array of 11 buttons with integrated LEDs. Despite their relative simplicity, each of these early games was highly successful. The initial success of Mattel and Parker Brothers' entries
The Who, What, or Where Game for "The Who, What, or Where Game" was written by George David Weiss. According to an audio clip from a 1973 episode, at least the closing theme had been changed before the end of program's run, but no further information has materialized. Milton Bradley produced two home editions of "The Who, What, or Where Game". The home game format was almost identical to that of the show, fairly unusual for board game of television shows of that era. In 1973, a short-lived British version aired on BBC1 hosted by David Jacobs. The Who, What, or Where Game The Who, What,