on halo 3 im having lots of trouble with some achievements and unlocks well basically i want to unlock some armour i've completed halo 3 on normal mode but it says i've got the achievement for completing game on normal but i dont have achievement for completing mission 3...
also it says on my service record i've reached spartan officer ranks but i've not got the achievement for it
there are other achievements that i've got unlocked for different types of armour but they've not been unlocked yet ...
i need some help badly .. i've tried clearing cache and everything else ...
And my gamertag is Nova Gold not inragezz if you can help send msg's or something