This movie is 0.82 seconds faster than the previous movie. Most of the improvement comes from a trick that makes Bowser bounce much lower when defeated. For more details, see the run's comments.

Check out the video of this being played on an actual console.

This movie carefully exploits the game's mechanics to breeze through the levels and boss fights. You can read a full translation and get other information at its submission discussion

This video is a minute improvement that abuses known glitches more and shows some new ones as well.

Completed on the hardest difficulty.

Compared to the previous movie, this is over 10 minutes faster. Primarily due to the use of 2-players and a glitch that skips most of the last level.

Details can be found in the authors' comments.

As such, the movie is played on the easiest level in an attempt to reduce the framerate drop issues arising from big amounts of enemies shooting at Duke. However, the sheer speed the player is blasting through levels will likely confuse you regardless — we recommend reading the author's comments to understand all the tricks he used.