Now what? To all of the hardcore Reach folks out there, what makes this game so amazing and fulfilling as a gamer? I've done my usual "walkthrough" where I have beaten the game right away on a moderate difficulty setting to get my Halo chops back. I have started playing it on Heroic level and am about halfway through. What else makes this game great aside from the solo campaigns?
Any suggestions would be very much appreciated!! Thanks!