chupacabraVS2: 1. Yes "darker" ones are ones you haven't gotten. As you said 2. The different colored "cups" are just levels. It appears that 20 achievement points and under are "bronze". 25 up to some other limit is "silver" cup, and the higher ones are "gold". (Or whatever the colors actually are) 3. You only achieve an achievement once.
(ocultar) Si deseas encontrar un adversario de parecido nivel de juego al tuyo, echa un vistazo en la página de Clasificaciones del tipo de juego que quieres y busca a uno con un BKR similar. (pauloaguia) (mostrar todos los consejos)