I don't know about you guys but I enjoyed the "end of the line" mission it wasn't easy but I enjoy killing hoes, crack dealers and rival gang members,
infact I enjoy killing everyone on that game, heck I would enjoy killing myself if there was a mission where I had to kill an exact replica of myself, the hardest mission I would say is the flying school mission,and the most stupid pointless missions are zero's missions, and for those who use the "blow up all cars" cheat in vigilante missions, you are all sissies where's the fun in that, just find a rhino and crash into those delinquents