For beginners – It is an easy mode to check if the puzzle block spots are correct or not (checking mode). 2. For experts – It is difficult mode to make the puzzle blocks only with players’ idea. 3. You can think about various ideas while you are matching the puzzle blocks. 4. Feel the pleasure when you find a perfect word match with the puzzle fitting effect. 5. You can see the word meaning at the same time when the puzzle blocks are matched correctly. 6. You can feel smart when you solve all the puzzles.