Problems
Arena
Level 1 Sprout
Solved problems for 2 days in a row
Solved problems for 2 days in a row
110K
Level 2 Sprout
Solved problems for 4 days in a row
Solved problems for 4 days in a row
69K
Level 3 Sprout
Solved problems for 8 days in a row
Solved problems for 8 days in a row
32K
Level 4 Sprout
Solved problems for 16 days in a row
Solved problems for 16 days in a row
17K
Level 5 Sprout
Solved problems for 32 days in a row
Solved problems for 32 days in a row
9.9K
Level 6 Sprout
Solved problems for 64 days in a row
Solved problems for 64 days in a row
5.7K
Level 7 Sprout
Solved problems for 128 days in a row
Solved problems for 128 days in a row
2.9K
Level 8 Sprout
Solved problems for 256 days in a row
Solved problems for 256 days in a row
1.3K
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
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
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
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
Newbie Problem-solver
Solve 10 problems
Solve 10 problems
136K
Beginner Problem-solver
Solve 50 problems
Solve 50 problems
94K
Apprentice Problem-solver
Solve 100 problems
Solve 100 problems
58K
Skilled Problem-solver
Solve 200 problems
Solve 200 problems
27K
Professional Problem-solver
Solve 500 problems
Solve 500 problems
5.6K
1-Star Problem-solving Technician
Solve 1,000 problems
Solve 1,000 problems
1.4K
Boardgame Cup (2023)
Solved 1 or more problems in Boardgame Cup
Solved 1 or more problems in Boardgame Cup
584
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