Complete 250 quizzes. Milestone achievement.

Get 100% on 250 different quizzes. Perfect score achievement.

Complete 50 quizzes between 22:00-06:00 (night time). Master quizzes while others sleep!

Complete at least 1 quiz per day for 3 consecutive days. Daily streak achievement.

Complete 50 quizzes in 1w. Speed achievement.

Get 100% on 50 quizzes in 1w. Elite achievement.

Complete 25 quizzes in 1d. Speed achievement.

Complete 25 quizzes in 2d. Speed achievement.

Get 100% on 20 quizzes in 1d. Elite achievement.

Complete 15 quizzes in 6h. Speed achievement.

Win 15 quizzes in a row without any failures. Streak achievement.

Complete 1 easy quiz in 20 different topics. Easy difficulty breadth achievement.

Complete 10 easy quizzes in 20 different topics. Easy difficulty breadth achievement.

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

Complete 2 problems in 1d. Speed achievement.

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

Complete 25 quizzes in 1w. Speed achievement.

Win 10 quizzes in a row without any failures. Streak achievement.

Complete 10 quizzes successfully after experiencing a failure. Bounce back stronger!

Complete 5 quizzes successfully after experiencing a failure. Bounce back stronger!

Win 5 quizzes in a row without any failures. Streak achievement.

Complete your first self-evaluation quiz from a lesson, roadmap, or syllabus.

Complete 1 easy quiz in 10 different topics. Easy difficulty breadth 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 5 easy difficulty problems. Difficulty mastery.

Complete 10 easy difficulty problems. Difficulty mastery.

Complete 100 quizzes in any single major topic. Topic depth achievement.

Complete 10 quizzes in 1h. Speed achievement.

Complete 10 quizzes in 3h. Speed achievement.

Complete 10 quizzes in 1d. Speed achievement.

Get 100% on 6 quizzes in 1h. Elite achievement.

Complete 5 quizzes in 1d. Speed achievement.

Complete 5 quizzes in 1h. Speed achievement.

Send the Alien back home

Send the Alien back home

Send the Alien back home

Send the Alien back home

Complete 3 quizzes in 1h. Speed achievement.

Complete 2 quizzes in 1h. Speed achievement.

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

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

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

Complete 10 quizzes between 05:00-08:00 (early morning). Rise and conquer at dawn!

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

Complete 25 quizzes in any single major topic. Topic depth achievement.

Complete 50 quizzes in any single major topic. Topic depth achievement.

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.

Complete 100 quizzes. Milestone achievement.

Complete 10 easy difficulty quizzes. Difficulty mastery.

Complete 25 easy difficulty quizzes. Difficulty mastery.

Complete 50 easy difficulty quizzes. Difficulty mastery.

Complete 100 easy difficulty quizzes. Difficulty mastery.

Complete 10 normal 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.

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.

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

Achieve average execution time < 0.1s across 10 problems. Speed efficiency.

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

Achieve average memory usage < 25.0MB across 10 problems. Memory efficiency.

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

Achieve both execution < 0.1s AND memory < 25.0MB across 10 problems. Optimal code.

Complete 3 problems in a row without failures. Winning streak 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 10 problems in any single topic category. Topic depth.

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

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 10 problems using C. Language mastery.