Vicious Blob Monsters - Rainbow Screensaver by MagicScreenThemes.com is a fun desktop enhancement for Windows XP, Vista, 95, 98, 98SE, ME, 95, 2000 and 2003. ‘Vicious Blob Monsters - Rainbow’ is a family screensaver designed for all ages. Created with Adobe Flash, this interactive screensaver features bright cartoon images, bold colors and quirky sound effects. The monsters interact with user mouse movement.