Variety Brain Game Puzzles include 1.) 48 Word Fill-in using 15 x 15 grid. 2.) 48 Word Search (17x17) grid with 38 words per puzzle and all are themed. 3.) 48 Code Word Puzzles with 3 starter letters in each puzzle. 4.) 144 Sudoku Puzzles with 4 levels (very easy to hard). 5.) 92 Cryptograms with some starter letters in a few (Quotes & Bible Versus). 6). 23 mazes from easy to difficult. All puzzles can be easy or difficult depending on your expertise. These puzzles are NOT large print. These puzzles are NOT spiral bound.