Anniversary Party


 * Anniversary Party (17th), the most recent version of the challenge?
 * One of the historical versions?
 * Anniversary Party (10th) (2016)
 * Anniversary Party (11th) (2017)
 * Anniversary Party (12th) (2018)
 * Anniversary Party (13th) (2019)
 * Anniversary Party (14th) (2020)
 * Anniversary Party (15th) (2021)
 * Anniversary Party (16th) (2022)