This took around 2 hours 45 minutes to beat. Check out the No Commentary version if you would rather hear the game only. Not much to explain but there is a great health farming spot for permanent health upgrades, as well as some tips to shorten your time on the final level. Theres a place to get 3 energy tanks pretty consistantly toward the end.
I will explain how the continue system works as well.
Deaths and some farming edited out. By farming I mean fighting enemies over and over again for items or health.