sorry but we cant tell you that because if i told you the codes the people who get one that you have used they will be mad but if you get busters lost moshlings book on the last page there will be a code that you can use ad me im lenny1782
i only know two rare codes, im not sure if there are more. they are takemydog and mysterycode. you dont get great prizes, but aparently they r rare. and i think i spelled aparently wrong... well...