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 100 quizzes in any single major topic. Topic depth 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 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 easy difficulty quizzes. Difficulty mastery.

Complete 25 easy difficulty quizzes. Difficulty mastery.

Complete 50 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.

Get 100% on 100 different quizzes. Perfect score 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.