Brain Teaser Download and play free Brain Teasers & Brain Games for PC and Mac. Keep your mind sharp with riddles, memory tests, puzzles, and more! Narrow Your Search Developer Name: Casual Arts Primary Genre: Family Language: Japanese + Platform/OS Windows (1) Collector's Edition No (1) Is Anthology Collection No (1) Is Felix Fun-Sized No (1) 1 item Sort by Bestselling - All-Time Bestselling - Monthly Bestselling - Weekly Bestselling - Yearly Developer Name Game Series Position Price Product List Date Product Name 究極のクリスマスパズラー Windows | Japanese