Preheat the oven to 350 degrees F (175 degrees C). Line 2 baking sheets with parchment paper.
Mix cake mix and pumpkin puree in a bowl until combined. Add milk if consistency is too thick, although you want it to be somewhat thick. Mix in chocolate chips.
Drop medium scoops of dough 2 inches apart onto the prepared baking sheets.
Bake in the preheated oven until edges are golden, 15 to 18 minutes. Cool on the baking sheet briefly before removing to a wire rack to cool completely.