Brain Buster - Puzzle Pak (USA) (JP: ブレインバスターパズルパック) is a collection of puzzle games for the Nintendo DS system. Developed by Hudson Soft, the game features a variety of brain-teasing puzzles, including crosswords, number puzzles, and word games. The game also includes a variety of mini-games such as a spot-the-difference game and a memory game. Players can also create and share puzzles with friends. Brain Buster - Puzzle Pak has a variety of difficulty levels, and all puzzles can be solved using the DS touch screen or the stylus. The game also includes a variety of hints, tips, and tricks to help players solve the puzzles. Brain Buster - Puzzle Pak is a great way to keep your brain sharp and challenge yourself with mind-bending puzzles.