"Crossing Cups" is a version of teh game that you also might know as"Shell Game". The idea of this type of games is pretty simple - object (coin, ball or something other diminutive enough) is hidden under one of trhee cups (shells or anything else that can hid the obnject and all looks the same). After thjat all cups are all mixed and you need to watch very carefully in which the one with hidden coin will end up. If you will guess right then you are the winner of the round and for each win there is supposed to be a reward - since this is anime porn parody game as reward you will get pictures showcasing your fave animation characters having kinky funtime. The goal of the game is obvious - to unlock all the pictures so you could enjoy them!