Bang Bang Racing

There's not a lot that can be said about this achievement other than it will be a bit of a grind. As you earn achievements for each championship once they become available it would therefore be logical to play in each championship with a second player and then grind your next six on the N-Dura Cup as there are only four races in that championship and it therefore wouldn't take so long to do. If you have already done the four championships by yourself before going for this then simply play the N-Dura Cup with a second controller 10 times. If you are doing this by yourself you must wait 30 seconds after the race ends to process the next race. I would also suggest you play with easy AI and make sure you finish on the top 3 of each championship (perhaps each race as well) to absolutely assure yourself of earning this.