I mainly play by myself except for the occassional hang out with a buddy of mine when he can get on. Both solo and with friends seems to be great experience from what I can tell, because I have tremendous fun either way. Unfortunately with all the poo flinging at Bungie and Destiny that is going on, that is one of the things that gets no attention; how Bungie deliberately and expertly crafted the game to appeal to many types of gamers without penalty to any type. You are anti-social? Not a problem. Don't lke PvP? Again, not a problem. Love social gaming? That'll work. Wanna slaughter every Gardian that dares show his/her face/mask/cowl/glowing eyed metal thing in the Crusible? Have at it. You have no great advantage or dissadvantage for doing or not doing whatever. Brilliant game design in my opinion.