Which game can have more players, Qwirkle or Guess Who?
Qwirkle: Qwirkle is a tile-based game for 2 to 4 players, designed by Susan McKinley Ross and published by MindWare. Guess Who?:  is a two-player character guessing game created by Ora and Theo Coster, also known as Theora Design, that was first manufactured by Milton Bradley, in 1979, now owned by Hasbro.
Qwirkle