We present you an interesting puzzle that is very similar to ordinary classic puzzles, but with some differences. In ordinary puzzles, you should place fragments on a free field, forming a picture, here the picture is almost ready, with the exception of a lack of several parts. Instead, there are squares with questions. They must be replaced with the correct pieces. You will find them at the bottom of the screen and you only have thirty seconds to replace them. In this case, if you make the wrong castling, you will be taken away five precious seconds in NG Puzzle.