Play Unagi 16, an interactive online puzzle game stuffed with brain twisting challenges and some spectacular characters and set ups. The graphics of the game is a clear standout and the game play is thoroughly entertaining. You have to follow the simple instructions and use the available clues to solve all the puzzles. The challenges are best performed in least possible time. This colourful, game may get you stuck at certain places but you need not get frustrated. Check the hints and keep progressing. Enjoy the soothing sound of the game while the game itself will have you thinking very hard trying to solve the puzzles.