Nexon, birthday

Hey, guys i have made an acc. but i have forgot my Date of birth, srsly every one does, who expects to play a free game, but the game combat arms was nice, so i got adicted to it, after reaching a rank of 1LT, i tihnk about retaining back my birthdate, for future purpose. I hear some people talking about birthday cracker. SO, if there is one around, plz.. feel free to let me know of it.

ummm... i think bday crackers are patched srry correct me if im wrong.theres no public bday out there tht ive seen.