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
Valkyrie Profile: Covenant of the Plume a tactical role-playing game. Characters can attack enemies individually or can actively support each other via the Mutual Assist system. When an enemy is in range of up to four characters, an exclamation mark will appear, indicating that the character is ready to attack. Up to four characters are mapped to the A, B, X, and Y buttons, which are used to attack. Each successful attack fills up the Attack Gauge; when it reaches 100, characters can perform powerful attacks called Soul Crushes. The position of characters around enemies during combat can be exploited in a feature called the Active