9900-card (2022) Achieved 9,900 points in the Solved Blackjack Event, 2022
191
9500-card (2022) Achieved 9,500 points in the Solved Blackjack Event, 2022
435
2022 Chung-Ang University Programming Contest Participated in 2022 Chung-Ang University Programming Contest, or solved 1 or more problems in its open contest
261
The 1st Chocolate Cup (2022) Solved 1 or more problems in the 1st Chocolate Cup
191
Sogang Programming Contest 2022 Participated in Sogang Programming Competition 2022, or solved 1 or more problems in its open contest
Warmth in the Snow (2022) Solved 1 or more problems in the Invitation of the Winter Forest
462
2022 Seoul Cyber University Programming Contest Participated in 2022 Seoul Cyber University Programming Contest, or solved 1 or more problems in its open contest
339
Christmas Gift (2022) Earn at least 5 gifts from the Make a Tree event, 2022
725
2022 1st Calculus, Probability, and Statistics Cup Solved 1 or more problems in the 2022 1st Calculus, Probability, and Statistics Cup
359
Spent 2022 with BOJ Solved 1 or more problems in Good Bye, BOJ 2022!
606
GBS Coding Contest 2022 Participated in GBS Coding Contest 2022, or solved 1 or more problems in its open contest