25 problems, easy → medium. Mirrors the real AMC 12 topic split (Algebra, Geometry, Number Theory, Counting & Probability, Precalculus) and its 75-minute pace.
25 problems, hard and deliberately trap-laden — the same topic split, tuned to the mistakes students make most often.
Answer as many as you can. Submitting early is fine — only unanswered questions are skipped in review.
Only the problems you answered incorrectly are shown below — skipped problems aren't included.