there are 5 levels which are open for 48 hours, these levels a game so 5 games total which you need to complete. After you complate a level you gain a password to enter the next one. If you want a prize you need to complete all 5 levels and the first 30 people to complete the last level win
Furthermore, when you complete a level to let us know you will post in some threads called the lobby
Every level is hosted by a member of the events team, so you'll pm the host of the level. The gameplay thread will drop after 48 hours of opening, meaning you have a maximum of 48 hours to complete the level.
The threads you make yourself just has to contain your username in the title, it's a double check for us some know you completed the previous level(s). You can just say something like "[user] completed level x"