Double Dragon II: The Revenge (1989) is a beat'em-up game that shows the true value of teamwork. Despite sibling rivalry, Billy and Jimmy help expedite their common goal with well-timed knees to each other's faces.

This new version by adelikat is 26.7 seconds faster than his previous effort. Most of the improvement became possible thanks to discovering an awesome new law of videogame physics: if two athletic guys kick each other in mid-air at the same time, both can fly over a huge distance at breakneck speed. We wish it worked like that in real life!