Just spam the green flag.
Thanks to Griffpatch for the video! https://www.youtube.com/watch?v=Fl-LX94Z4Cc&list=PLy4zsTUHwGJIc90UaTKd-wpIH12FCSoLh&index=1 So btw I've been working on a scrolling platformer, it's not going well, but this is something I ran into desperate for a tutorial and thought was cool so... yeah.
