Calling all brain training/mind game enthusiasts. Brain Training - The Daily Cranium IQ Quiz by Professor Puzzle. 365 brain-teasing puzzles including Word Searches, Futoshiki, Battleships, Word Ladders, Sudoku, Binary Puzzles, Kakuro and many more! Daily challenge cards filled with brainteasers, puzzles & riddles. A different IQ workout each day of the year. Part of Professor Puzzle’s Brain Training collection - A collection of brain teasers/brain training activities.