• The event will continue until December 24 at 11:59 pm. After this date, the challenges will remain feasible for a while, but the rankings will be frozen.


• Challenges can be completed on the day of their release and afterwards until the event closes.


• No solutions, flag sharing or overly permissive help is possible until the scoreboard is frozen.


• The event is individual and does not have to be carried out as part of a team.