I have a referral to the wait list for LearnedLeague.com available for anyone who would be interested.
FAQ at https://learnedleague.com/thorsten/freq.php
Next Official Invitations Date: January 19, 2022
Next Wait List Update: February 9, 2022
If you clear the wait list then the next 25 day season will start on Feb 14 with lots of mini leagues and specialty quizzes prior to that time (and between seasons)