Game Grumps Beanies are officially licensed Game Grumps merchandise and can either be bought online or in-store. With a white beanie featuring the Game Grumps logo, you will feel like a true fan everywhere you go. Game Grumps have a special line called Game Grumps Cloth. They came out with a few of their own designs, but they wanted to do something different with their beanies. Out of the blue, they decided to take the popular Game Grumps Beanie and make it into a shirt!