I had a code on to change the type of ground Mario stood on and I came across the quicksand terrain and it ended up giving me a game over and on the title screen Mario kept dying because the code made Mario act that he was still quicksand and thus killing me on the start screen
Sorry for the bad quality I recorded this on my 3DS
![](https://i.ytimg.com/vi/nivJodrEtXo/mqdefault.jpg)