This is a text-based decryption game and interactive novel.

• You can complete the game through the various instructions given by system, such as input “use” to use the carried items.
• Using “w a s d” four commands to respectively represent walking north, West, South and East. Remember to use “look” to explore the world.
• You can use the “tip” command to get the tip in the places you don't know, and use the “Q” command to check commands if you forget them.
• In addition to entering the system's own instructions, sometimes you can also enter some other key words, which refer to the words in brackets in the game text
• Using fewer tips and steps to complete the escape will win a higher evaluation.

Warning: It is not recommended to play this game in the Office :-P