Try some of the puzzles from Aenigmatis books: ● CODEWORDS ● CROSSWORDS ● WORD SEARCH ● SUDOKU ● THEMED CODEWORDS ● MATH SYMBOL SUDOKU ● SILHOUETTE WORD SEARCH ● DOODLE WORD SEARCH ● 2D MAZES ● ODD-EVEN SUDOKU ● CANDIDATE SUDOKU ● GREATER THAN SUDOKU ● 3D MAZES 120 puzzles.