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 Primary Genre: Adventure Language: Japanese + Developer Name Big Fish Studios (1) Platform/OS Windows (3) Collector's Edition No (3) Is Anthology Collection No (3) Is Felix Fun-Sized No (3) 3 items Sort by Bestselling - All-Time Bestselling - Monthly Bestselling - Weekly Bestselling - Yearly Developer Name Game Series Position Price Product List Date Product Name フェッチ Windows | Japanese ファイヤー Windows | Japanese ビッグ ブレイン ウルフ Windows | Japanese