Problems
Arena
21st National Assembly Election (2020)
Solved the 21st National Assembly Election problem (#18891) by April 21, 2020
Solved the 21st National Assembly Election problem (#18891) by April 21, 2020
56
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
107K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
67K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
31K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
16K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
9.6K
★★Seventeen Stars★★ (2022)
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
Achieved 17-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
2.1K
★★Twenty-two Stars★★ (2022)
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
Achieved 22-star enchant at the 2022 April Fool's Day Hanbyeol Force Event
1K
Summer Postcard Decoration: Top 1,000 (2022)
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
Achieved a rank of top 1,000 in the Summer Postcard Decoration event, 2022
884
9900-card (2022)
Achieved 9,900 points in the Solved Blackjack Event, 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
Achieved 9,500 points in the Solved Blackjack Event, 2022
435
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
133K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
91K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
57K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
26K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
5.4K
2023 UDPC
Participated in the 2023 UDPC, or solved 1 or more problems in its open contest
Participated in the 2023 UDPC, or solved 1 or more problems in its open contest
349
Guardian of Balance - Silver
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 4 or more tags
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
Of the 8 tags displayed on the profile, achieve a rating of over 200 for 6 or more tags
28K
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
4.3K