1. Preheat the oven to 350°F and lightly grease a 9×13-inch baking dish.

2. In a mixing bowl, stir together the brownie mix, eggs, vegetable oil, and water until just combined.

3. Spread the brownie batter evenly into the prepared baking dish.

4. Bake for 22 to 26 minutes, or until the center is set and a toothpick comes out with a few moist crumbs.

5. Let the brownies cool completely in the pan.

6. In a medium bowl, beat the softened cream cheese and powdered sugar until smooth and fluffy.

7. Fold in 3 cups of the whipped topping until the mixture is light and creamy.

8. Spread the cream cheese mixture evenly over the cooled brownie layer.

9. In another bowl, whisk the instant chocolate pudding mix with the cold milk for about 2 minutes, until thickened.

10. Let the pudding stand for 2 minutes, then spread it gently over the cream cheese layer.

11. Top with the remaining whipped topping and smooth the surface.

12. Sprinkle mini chocolate chips over the top and drizzle with chocolate syrup.

13. Cover the dish and refrigerate for at least 4 hours, or overnight for the best texture.

14. Slice into squares and serve cold.