World's Hardest Challenge: Fill Fridge is a very difficult food placement online game for boys for free. You need to place a variety of different foods in the refrigerator and make good use of all the space in the refrigerator. Only by putting everything in the refrigerator can you challenge the next level. It will be a great sense of accomplishment to watch the disorganized goods become organized in your hands. Have fun with it!. You need to keep things neatly in the fridge. Mouse or tap to play.