can somehelp me with getting some halo3 and transformers 2 achievments?

i just got live yerterday and i want to get these achievments cause i have all the single player onmes and i want to 100% these games.

GT: OMEGAHUNTER778

what achievements do you need for halo 3?

-get 5 grenade sticks

-mongoose mowdown

2 for one

-overkill

-maybe next time buddy

these are all ofr now if we can play online now

gt OMEGAHUNTER778

-get 5 grenade sticks

-mongoose mowdown

2 for one

-overkill

-maybe next time buddy

these are all ofr now if we can play online now

gt OMEGAHUNTER778

megaprime33

The Single Player on Halo 3 you have to play through at least 4 times: On Easy to get the 1st Mission and the finish campaign on Easy Achievment. You have to beat the other missions on Medium, Hardend or Legendary to get the rest and their's one achievment I believe that requires you to beat the single player campaign on Legendary.

On Transformers 2: You have to do every single mission (i.e. the side missions) in every area to get some of the achievements and you have to beat both campaigns once on easy and again on hard

The Single Player on Halo 3 you have to play through at least 4 times: On Easy to get the 1st Mission and the finish campaign on Easy Achievment. You have to beat the other missions on Medium, Hardend or Legendary to get the rest and their's one achievment I believe that requires you to beat the single player campaign on Legendary.

On Transformers 2: You have to do every single mission (i.e. the side missions) in every area to get some of the achievements and you have to beat both campaigns once on easy and again on hard

snakes3425