User blog comment:Gruntburner/Mass Effect 3 Achievements Revealed/@comment-737801-20120204220308/@comment-1388547-20120205073612

I also see this as an excellent sign -- they're setting things up so that they don't annoy single-player fans, and the achievement descriptions suggest that N7 missions and multiplayer games are being equated. I know BioWare has implied that the multiplayer, but this seems to substantiate that.