Preheat oven to 250°
Place the cereals, cheese crackers, pretzels, and peanuts into a large bowl.
Melt butter, Worcestershire sauce, seasoning salt, and garlic powder in the microwave.
Slowly pour the hot butter sauce over the dry ingredients.
Gently mix the ingredients with a spatula or your hands.
Pour the mixture equally onto two cookies sheets.
Bake for 1 hour, stirring every 15 minutes.
Cool the baked mix completely before eating.