Quiz Tiers
Choose your difficulty level. Each tier contains multiple quizzes to challenge you.
Tier 1
EASYBeginner level — perfect for getting started
Quizzes118
Questions per quiz10
Pass threshold60%
Checkpoint every5 questions
Tier 2
EASYEasy to medium — build your confidence
Quizzes110
Questions per quiz18
Pass threshold65%
Checkpoint every5 questions
Tier 3
MEDIUMMedium challenge — test your knowledge
Quizzes110
Questions per quiz22
Pass threshold70%
Checkpoint every5 questions
Tier 4
HARDMedium to hard — for serious learners
Quizzes110
Questions per quiz28
Pass threshold75%
Checkpoint every5 questions
Tier 5
EXPERTExpert level — only the best pass
Quizzes110
Questions per quiz35
Pass threshold78%
Checkpoint every5 questions