Arena: Top 10 Participate as a rated contestant in the Arena and achieve a rank of top 10 or greater
151
Record of the Stars: Chapter 3 Participate as a rated contestant for 10 times in the Arena
163
The 2nd Korea Aerospace University Programming Contest Participated in the 2nd Korea Aerospace University Programming Contest, or solved 1 or more problems in its open contest
SASA Programming Contest 2021 Participated in SASA Programming Contest 2021, or solved 1 or more problems in its open contest
172
Creator of Balance - Platinum Achieve a rating of 1600 or higher for all 8 tags displayed on the profile
182
Arena: Quarter Solves ร 5 Participate as a rated contestant for 5 times in the Arena and get full score for quarter or more of the problems in the contest