The games are very similar, each representing a variation of the popular marble shooter match - 3 action puzzle genre. (gonintendo.com)
Game description: Sparkle 2 is a superbly polished marble shooter action puzzle game with beautiful graphics, mighty powerups and an amazing soundtrack. (xboxgamerreviews.com)
Sparkle Unleashed is an exciting marble shooter match - three action puzzle with impeccable polish and superbly smooth gameplay! (switchplayer.net)