Katakana Pro provides several tools and a game-like atmosphere to help you attain mastery of katakana. EXERCISES (2) 1) Practice Earn a point for each right answer as you progress through the syllabary. 2) Quiz Race against the clock to secure the fastest time in each configuration. CATEGORIES (3) 1) Basic 46 foundational characters which all variants and combinations are derived from. 2) Variants 25 additional sounds that are created by modifying a subset of the basic characters. 3) Comb