This one felt noticeably less inspired than the prequels and I didn't quite like what the charge shot did to the flow of the games but hey, it's still Mega Man and a solid action platformer.
The game introduced more defined branching paths which was both good and bad as it created backtracking while at the same time making item collection occasionally more rewarding. One thing that definiely sucked was having to save a certain weapon for the final boss, but the easier than usual final stages sort of dampened the blow a bit.