view-source:https://www.newgrounds.com/portal/view/783900 this is the page source, enter there, press ctrl + F and copy the link between " "
it will download this game's swf, you will need adobe flash to run it (this also works with most flash games, search a tutorial in youtube lol)
edit: when pressing ctrl+f also write .swf
edit 2: this guide is useless, but 5 stars because now i know how to get in nudegrounds