Complete 1 hard quiz in 10 different topics. Hard difficulty breadth achievement.

Complete 10 hard quizzes in 10 different topics. Hard difficulty breadth achievement.

Complete 50 hard quizzes in 10 different topics. Hard difficulty breadth achievement.

Complete 100 hard quizzes in 10 different topics. Hard difficulty breadth achievement.

Complete 10 quizzes in any single major topic. Topic depth achievement.

Complete at least 1 quiz in 3 different major topics. Cross-training achievement.

Complete at least 1 quiz in 5 different major topics. Cross-training achievement.

Complete at least 1 quiz in 10 different major topics. Cross-training achievement.

Complete at least 1 quiz in 15 different major topics. Cross-training achievement.

Complete at least 1 quiz in 20 different major topics. Cross-training achievement.

Get 100% on 10 normal difficulty quizzes. Perfect score achievement.

Get 100% on 10 hard difficulty quizzes. Perfect score achievement.

Complete 10 hard difficulty quizzes. Difficulty mastery.

Get 100% on 1 different quiz. Perfect score achievement.

Get 100% on 5 different quizzes. Perfect score achievement.

Get 100% on 10 different quizzes. Perfect score achievement.

Get 100% on 25 different quizzes. Perfect score achievement.

Get 100% on 50 different quizzes. Perfect score achievement.

Get 100% on 10 easy difficulty quizzes. Perfect score achievement.

Complete 10 easy difficulty quizzes. Difficulty mastery.

Complete 10 normal difficulty quizzes. Difficulty mastery.

Complete 1 quiz. Milestone achievement.

Complete 5 quizzes. Milestone achievement.

Complete 10 quizzes. Milestone achievement.

Complete 25 quizzes. Milestone achievement.

Complete 50 quizzes. Milestone achievement.

Pass all 7 testcases on first attempt for 1 problem. Perfect submission achievement.

Complete 1 coding problem. Milestone achievement.