Level 1 Sprout Solved problems for 2 days in a row
109K
Level 2 Sprout Solved problems for 4 days in a row
68K
Level 3 Sprout Solved problems for 8 days in a row
31K
Level 4 Sprout Solved problems for 16 days in a row
17K
9500-card (2022) Achieved 9,500 points in the Solved Blackjack Event, 2022
435
The 1st Chocolate Cup (2022) Solved 1 or more problems in the 1st Chocolate Cup
191
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
Newbie Problem-solver Solve 10 problems
134K
Beginner Problem-solver Solve 50 problems
92K
Apprentice Problem-solver Solve 100 problems
57K
Skilled Problem-solver Solve 200 problems
27K
The 2nd MatKor Cup : 2023 Winter Participated in the 2nd MatKor Cup, or solved 1 or more problems in its open contest
473
A yellow badge with a blue ribbon that seems to fit somewhere (2023) Solved a problem with ‘41’ in its ID, between 6:00 AM April 1, 2023 KST and 1:00 AM April 3, 2023 KST
1.2K
Creator of Balance - Bronze Achieve a rating of 30 or higher for all 8 tags displayed on the profile
28K
Guardian of Balance - Silver Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
47K
Master of Balance - Silver Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
29K
Guardian of Balance - Gold Of the 8 tags displayed on the profile, achieve a rating of over 800 for 4 or more tags
10K
Guardian of Balance - Bronze Of the 8 tags displayed on the profile, achieve a rating of over 30 for 4 or more tags