If you want to join my left for dead 2 modded game leave your gamertag below, you will get invited to a free modded game on easy any campign, mods will be like god mode, infinite ammo, gravity decreased etc.
If you want achievments like complete all campaigns on expert or 10,000 zombie kills for avatar item or any other i will be happy to do them for a price, microsoft points (british/european)or xbox live (except 48 hour) as it takes time, if you have to leave or get disconnected i will reinvite to complete achievment.

I also mod gamescore, games you have already got on your account can be maxed, ask if interested-if you dont trust me as gt recovery is used thats fine, you can delete payment options so its up to you.