Welcome to Encrypted, in this game, you will have to solve ciphers and puzzles to get to the next level. To enter the next level, change the URL, where is says "start", to the answer.
The web is your friend in this game, you will definitely need it. I would recommend bookmarking every level, you never know if you'll need it. All of the levels will be possible and none will require guessing. For this level, the code is 392.