One of the best (and best known) shooters of the 16-bit era, Contra III: The Alien Wars forgoes any semblance of plot devices in favor of good old fashioned shooting and platforming with some tough as nails bosses, especially in this, the hardest mode.
Apparently not happy with an already amazing movie, Cpadolf felt the need to go on yet another black op, optimizing his distortions of space and time on the way to a 173 frame improvement.
This movie uses a 'warping' glitch to complete the game. There is also the 2-player version, which does not.
Note: There is also a lossless encode available in the discussion thread.