Hey guys,
I am currently hunting achievements on Halo MCC, Halo 5 and Spartan Assault and looking for fellow spartans with the same goal.
So if there is anybody out there who wants to finish those games as well please feel free to message me 
Achievements i am missing so far:
Halo MCC:
Annual - H3: finish “Halo” on legendary with iron skull (4 player coop all in ghosts)
Deja Vu - ODST: finish “Coastal Highway” on Legendary with iron skull without entering a vehicel (4 player coop)
All LASO campagnes
All legendary speedruns (except ODST)
Halo 5
Enemy of my enemy (Helping the Elite General on Mission 1 to survive)
Party Hearty (Complete a mission in score attack coop, with all participants having at least 200.000 points)
Spartan Assault: All coop achievemnts