In its simplest form , the object of the game is to score points or `` counts '' by caroming one 's own cue ball off both the opponent 's cue ball and the object ball ( s ) on a single shot .
In its simplest form , the object of carom billiards games is to score points or `` counts '' by bouncing one 's own ball , called a cue ball , off of the other two balls on the table .