Up arrow to jump. Left and right arrows to move. Dodge the floating and falling spikes. That's it. Don't do this on a laggy computer. Double, or triple, or quadruple click green flag for best performance. At the beginning, there is a three-second buffering time. Don't be surprised if it doesn't start right away.
Sorry about how bad this is. Working on de-lagging. Platforming structure by @djpro. Intro creator by @xOnic. Thanks to @Haudio for his epic TWIST game, which inspired this. Whatever's left... MEEEEEEEE!!!!!!! 3/15/15 -- Added falling spikes and more movement. Achievement get! To The Bottom!