how can i earn GP in crossfire japan?

can any1 tell me how could i get some more GP? i rly wana buy there m60 adv or RPG...

i think you have to win a game XD

exactly

GO to 12 games win it and get the ACE in every one of them then see if you have enough then buy the guns but if its not enough go to 4 more games and when you level up you get more money then sell you you old gun to buy the new gun..