K. Simmons.Stephen mercantile lends his voice to the game in the same way as Wheatley, a chirpy and well-intentioned though dim-witted personality sphere who serves in the same way as the catalyst on behalf of the games story.The interactions stuck between the player, GLaDOS and Wheatley are what did you say? yield Portal 2 its charm and provide much of the wittiness to keeps the game charming puzzle in imitation of puzzle.The single player game can be located done wearing in this area 10 to 12 hours depending on your capability. This is a benefit deal longer than its predecessor, but on one occasion youre made, youre made.