halo 3, and halo odst coop achievements

Community Recruiting
1

Looking to get the halo 3 and odst coop achievements, Deja vu, annual, etc. as of now I have myself and 1 other person looking for 2 more

Also looking to boost halo 3 legendary in under 3 hours.

GT: Attestedbarley2

Thanks!

2

I don’t have odst. But, I can help with anything else