I have over 1000 GS for Halo 3. I have 37 of the achievements. I bought the mythic map pack just about when it was released for the game. I collected all the skulls... I have heard you need 49 of the achievements, the skulls, and 1000 GS but i also heard all you need is 1000 GS and the skulls. CAN SOMEONE PLEASE CLARIFY WHAT THE ABSOLUTE REQUIREMENTS ARE???