Problems
Arena
Creator of Balance - Silver
Achieve a rating of 200 or higher for all 8 tags displayed on the profile
Achieve a rating of 200 or higher for all 8 tags displayed on the profile
5.2K
Guardian of Balance - Gold
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 4 or more tags
Of the 8 tags displayed on the profile, achieve a rating of over 800 for 4 or more tags
12K
Dress Rehearsal (2023)
Achieved a score of over 41 in the Dress Rehearsal
Achieved a score of over 41 in the Dress Rehearsal
441
2023 Chung-Ang University CHAC
Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
Participated in 2023 Chung-Ang University CHAC, or achieved a score of over 10 in its open contest
341
Anime Cup (2023)
Solved 1 or more problems in Anime Cup Season 1 or 2
Solved 1 or more problems in Anime Cup Season 1 or 2
766
1-Star Problem-solving Technician
Solve 1,000 problems
Solve 1,000 problems
1.7K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
6.5K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
31K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
65K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
104K
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
149K
Spent 2022 with BOJ
Solved 1 or more problems in Good Bye, BOJ 2022!
Solved 1 or more problems in Good Bye, BOJ 2022!
606
Christmas Gift (2022)
Earn at least 5 gifts from the Make a Tree event, 2022
Earn at least 5 gifts from the Make a Tree event, 2022
725
Warmth in the Snow (2022)
Solved 1 or more problems in the Invitation of the Winter Forest
Solved 1 or more problems in the Invitation of the Winter Forest
462
Gomgom Silver Award (2022)
Solved 1 or more problems in the 2nd Gomgom Cup · © Hana Kim
Solved 1 or more problems in the 2nd Gomgom Cup · © Hana Kim
553
9500-card (2022)
Achieved 9,500 points in the Solved Blackjack Event, 2022
Achieved 9,500 points in the Solved Blackjack Event, 2022
435
Level 9 Sprout
Solved problems for 512 days in a row
Solved problems for 512 days in a row
599
Level 8 Sprout
Solved problems for 256 days in a row
Solved problems for 256 days in a row
1.6K
Level 7 Sprout
Solved problems for 128 days in a row
Solved problems for 128 days in a row
3.4K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
6.6K