Base points: each word correctly matched in the quiz earns 5 points.

Task completion bonus: complete a set of 5/10/15/20 words with ≥ 80% accuracy to earn 25/50/75/100 points respectively.

Daily quest bonus: reach 30/60/100/150 effective words in a day for 20/60/150/300 points (each tier once per day).

Streak bonus: ≥ 5 effective words in a day counts as one study day; 3/7/14/30 consecutive days earn 50/150/400/1000 points, reset on a missed day.