Win 3 quizzes in a row without any failures. Streak achievement.

Complete 2 quizzes in 1h. Speed achievement.

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

Complete 10 easy quizzes in 10 different topics. Easy difficulty breadth achievement.

Complete 50 easy quizzes in 10 different topics. Easy difficulty breadth 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.

Complete 1 easy quiz in 10 different topics. Easy difficulty breadth achievement.

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

Complete 10 quizzes between 22:00-06:00 (night time). Master quizzes while others sleep!

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 50 easy difficulty quizzes. Difficulty mastery.

Complete 10 normal difficulty quizzes. Difficulty mastery.

Complete 10 easy difficulty quizzes. Difficulty mastery.

Complete 25 easy difficulty quizzes. Difficulty mastery.

Complete 5 quizzes. Milestone achievement.

Complete 10 quizzes. Milestone achievement.

Complete 25 quizzes. Milestone achievement.

Complete 50 quizzes. Milestone achievement.

Complete 1 quiz. Milestone achievement.

Complete 5 problems in a row without failures. Winning streak achievement.

Complete 10 problems in a row without failures. Winning streak achievement.

Complete 15 problems in a row without failures. Winning streak achievement.

Complete 5 problems in any single topic category. Topic depth.

Complete 15 problems with clean solving patterns. Anti-cheat champion.

Complete at least 2 problems in 3 different categories. Topic breadth.

Complete at least 3 problems in 2 different programming languages. Polyglot achievement.

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

Pass all 7 testcases on first attempt for 3 problems. Perfect submission achievement.

Pass all 7 testcases on first attempt for 5 problems. Perfect submission achievement.

Pass all 7 testcases on first attempt for 10 problems. Perfect submission achievement.

Achieve average execution time < 0.1s across 5 problems. Speed efficiency.

Achieve average memory usage < 25.0MB across 5 problems. Memory efficiency.

Achieve both execution < 0.1s AND memory < 25.0MB across 5 problems. Optimal code.

Complete 3 problems in a row without failures. Winning streak achievement.

Complete 1 coding problem. Milestone achievement.

Complete 3 coding problems. Milestone achievement.

Complete 5 coding problems. Milestone achievement.

Complete 10 coding problems. Milestone achievement.

Complete 15 coding problems. Milestone achievement.

Complete 5 normal difficulty problems. Difficulty mastery.

Complete 3 hard difficulty problems. Difficulty mastery.

Complete 5 hard difficulty problems. Difficulty mastery.

Complete 10 hard difficulty problems. Difficulty mastery.

Complete 10 problems using Java. Language mastery.

Send the Alien back home