There are 4 modes of difficulty (Easy, Medium, Hard, and Hardest).

You must make 3 attempts at memorizing each verse of this passage. 3 * 1 = 3

For each attempt, your accuracy must be above 88%.

All attempts within the same difficulty are grouped together in 10 minute blocks.

Examples:

1. I make two attempts in easy mode at 7:21AM and at 7:22AM, that will count as one easy mode entries.
2. I make two attempts in easy mode at 7:21AM and at 7:35AM, that will count as two easy mode entries.
3. I make one attempt in easy mode at 7:21AM and one attempt in medium mode at 7:22AM, that will count as one easy entry and one medium entry.

Once a verse is 100% memorized, then it becomes much easier to maintain a perfect memory score.