Heat oven to 350°F (325°F for dark or nonstick pan). Line 13x9-inch pan with cooking parchment paper or foil; spray paper or foil with cooking spray.
Place cookie dough rounds in 6 rows by 4 rows in pan. Press dough into pan to cover bottom. Arrange sandwich cookies in 6 rows by 4 rows over cookie dough.
In medium bowl, stir together brownie mix, oil, water and eggs until smooth. Pour batter over sandwich cookies. Use spatula to gently spread batter evenly over cookies so that they are no longer visible.
Bake 40 to 50 minutes or until toothpick inserted in center comes out almost clean. Cool completely, about 45 minutes.
In small microwavable bowl or glass measuring cup, microwave fudge topping on High 20 to 30 seconds or until soft. Stir in bourbon. Drizzle over cooled brownies. Cut into 6 rows by 4 rows.