Grossology (PC/MAC) 9 Exploratory Labs covering zits, burps, boogers, snot, spit, smelly feet, and more. Test what you've learned to become a Certified Grossologist Yucky Games including Booger Block, What a Wound, The Drool Show, Burp-O-Rama and Poo Poo Pinball Encylcopedia of Gross Terms to expand your knowledge An Audio Lab: to create your own boisterous symphonies Skanky Recipes: Make your own snot - Grody Factoids to share with others - Disgusting Clip Art to use in oozy letters to your friends - Crossword Puzzles you can print out