Perfect

Matches the timing nearly exactly.

Good

More off than a perfect.

Average

Not so on time, about 50% accuracy.

Boo

Tapped the key when an arrow was not present, or tapping it below the accuracy for "Average".

Miss

An arrow that went by without being hit; breaks the current combo.

The following ratings don't actually apply to FFR (since they do not appear in the game) - however since most of the community is familiar with other DDR and PIU emulators, other players may reference the quality of their plays and others with these.

* AAA: full combo with all perfects.
* AA: letter representation of a score between 94% and 99.99%.
* A: between 80% and 93.99%.
* B: between 70% and 79.99%.
* C: between 60% and 69.99%.
* D: between 50% and 59.99%.
* F: lower than a 50%

Full Combo (abbr. FC)

Full Comboing is where you don't miss any arrows. By combining a full combo with perfect accuracy on every arrow (by getting all perfects, no goods, averages, boos or misses), you will receive a perfect score, or an AAA.

PA/Perfect Attack/Perfect Accuracy

A scoring method based off of the number of Perfects, Goods, Averages, Boos and Misses you had. Perfects and Goods increase the score whereas the others decrease it. A higher PA means you did better; this is a way to rank players on songs that cannot be AAA'd (or are very difficult to).

Black Flag

A AAA on a song except for 1 good.

Ave Flag

A AAA on a song except for 1 average.

Miss Flag

A AAA on a song except for 1 miss.

Boo Flag

A AAA on a song except for 1 boo. Results in the best AA you can receive.

to me a Black Flag and a Ave Flag are the hardest.

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Page 9 new song is being added to FFR soon