User blog comment:H-Man Havoc/ME3 Recommendations (Everything except plot improvements)/@comment-743796-20100719170208

Co-op campaign would be a tough sell, because the game is meant to be single player...

I didn't like the grenades from ME1, thats why they had some of the other weapons in ME2.

Another option could be a grenade launcher, at least better than lobbing grenades all over the place.