This is the 175th game in the Best Escape Games series. You are a girl who has gone to the giant fortress to rescue a mysterious girl. You will face various puzzles and brain teasers while trying to escape. Some of the puzzles are easy to solve, while others are quite difficult. The longer you play, the more new puzzles and brain teasers you will discover. There are plenty of hidden secrets and clues in this giant fortress. There are also many dangers such as fire, electric, and water traps. You can save the girl from the giant fortress and find the hidden clues.