Preheat oven to 375 degrees.
Melt butter.
Stir cake mix, baking cocoa, butter, and eggs together until combined.
Add chocolate chips and stir well.
Scoop by rounded tablespoons onto lightly greased cookie sheet.
Bake 7-8 minutes until edges are just set and tops have begin to crack.
Cool a few minutes on cookie sheet before removing.
If adding additional candies, decrease chocolate chips to 1 cup.