It's either ghosting or you messed up the game.
Or he made all the bricks invisible using the Truneo's colorset color.
ITS MY FRIEND'S SERVER, AND HE HS DEFAULT COLORSET, AND WHEN I HOLD A TOOL, LIKE WHEN RENDERING IS OFF, IT THE LINES ARENT THERE. SO I DUPE IT AND THEN IT'S BACK. ITS VERY ANNOYING. HELP.