Game Grumps Mugs! Game Grumps is a group of three friends that play video games together. You can follow them on Youtube and their podcast, Game Grumps. Here at Game Grumps, we love to give our fans more and more items from our shop every day! Today, we want to introduce you to a new item that we just added called the Game Grumps Mugs. For everyone who wants to show off their love for the show, or just buy a funny mug because they’re awesome, these mugs are perfect! You can give them as gifts for your friends or family members that like Game Grumps Shop.