Completion Rate (Arcade)

Individual Note Scoring

Once the combo count hits 10 or higher, a bonus is added for each note thereafter.

COMBO COUNT	1~9	10~19	20~29	30~39	40~49	50+
BONUS	0	+50	+100	+150	+200	+250

EASY and NORMAL difficulties include a CHALLENGE TIME. During this period, a score bonus of 10 per note is rewarded for the combo count from the start of CHALLENGE TIME. This bonus maxes out at 500 per note.
- This bonus will be gained for that note only if COOL or FINE is hit. SAFE, SAD or WORST do not get this bonus.
- The ongoing normal combo count will not affect the bonus during CHALLENGE TIME.
When the life gauge is full, a further 10 bonus points are rewarded per COOL note hit.
- The life gauge does not appear during CHALLENGE TIME, thus the life bonus will not apply.

The per-note score with the combo bonus taken into consideration is below (same as PSP version).
- SAFE, SAD or WORST end the combo thus always give the same score.

Combo Mechanics

The combo is maintained only when COOL and FINE notes are hit.
When the wrong button is hit, it is treated as a miss and will still end the combo even though a differently-colored COOL or FINE rating is given.
If the combo is maintained from the first to the last note, the rating is a PERFECT unless the player fails to achieve the targeted completion rate, in which case it will be a MISS×TAKE.

For multi notes, hitting too many buttons or simply the wrong buttons will also receive miss ratings and break the combo. For example:
- For a ○× multi note, even hitting a □△ will not result in a WORST, but a WRONG.
- For the same ○× multi note, hitting all ○×□△ buttons with perfect timing will be rated a WRONG.
- For a ○ single note, hitting a ○× multi note will also rate as WRONG.
Hitting insufficient buttons for multi notes will always result in a WORST (for example, hitting only ○× for a ○×□multi note).
- However, hitting only other button(s) not included in the multi note will rate as a WRONG (for example, hitting △ for a ○× multi note).

Hold Note Bonus

This bonus is displayed near the bottom of the play screen when it is being applied.
Maintaining the Hold note for 5 seconds allows the MAX HOLD BONUS to be rewarded.
- If another Hold note is added before the MAX HOLD BONUS is rewarded, it will only be rewarded 5 seconds after the new Hold note.

NO. OF HOLD NOTES →	1	2	3	4	REMARKS
1 SECOND	600	1200	1800	2400
2 SECONDS	1200	2400	3600	4800
3 SECONDS	1800	3600	5400	7200
4 SECONDS	2400	4800	7200	9600
5 SECONDS	3000	6000	9000	12000	MAX HOLD BONUS added on top of this
MAX HOLD BONUS	1500	3000	4500	6000	Rewarded for holding for 5 seconds

Multi Note Bonus

This bonus is equivalent to the number of buttons in the multi x basic score for the rating given.
- COOL would be 500, FINE 300, etc.
- When a miss rating is given, the score given is simply 250 for red WRONG or 150 for black WRONG.
For example, hitting a chain of ○× (COOL) followed by ○×□ (WRONG) and then ○×□△ (FINE) will be worth 500x2 + 250 + 300x4 = 2450 points.

The combo count does not affect this bonus, rather, the combo bonus is added once to an entire multi note after the multi note bonus is calculated as above.
For example, hitting COOL on ○×□△ when the combo count is 500 will reward 500x4 + 250 = 2250 points.

Completion Rate

The completion rate is basically the current score as a percentage of the reference score (which is given as 100%).

Reference Score Formula

All COOL notes score + CHALLENGE TIME (CT) bonus + ( Multi Note Bonus - Number of Multi Notes x 500 )

All COOL notes score = Total number of notes x 750 - 7250
- The total number of notes is shown on the results screen after the song.
- All multi notes are counted as one note each regardless of how many buttons were needed for the multi note.
- The combo bonus is lesser than 750 before combo count 50, which results in the deduction of 7250 = 250 x 9 + 200 x 10 + ... + 50 x 10.
CT bonus:
- If the combo count during CT is below 50, CT bonus = (10 + Number of notes x 10 ) x Number of notes / 2
  - - - = 5 x Number of notes x ( Number of notes + 1 )
- If the combo count during CT is above 50, CT bonus = 12750 + ( Number of notes - 50 ) x 500
  - - - = Number of notes x 500 - 12250
Multi Note Bonus:
- Hold Note Bonuses are excluded.
- Part of this bonus overlaps with the score for hitting all COOL notes, so it is deducted.
- In other words, the real bonus for hitting a two-button multi is worth 500 (one note), the bonus for a three-button multi is worth 1000 (two notes), and for a four-button multi it is 1500 (three notes). The score for the one "missing" note is included in the all COOL score.

Using a song as an example:
- ナイトメア☆パーティナイトEX - Total 445 notes with 14 two-button, 2 three-button and 1 four-button multi notes.
- [ 445 x 750 - 7250 ] + [ ( 1 x 14 + 2 x 2 + 3 x 1 ) x 500 ] = 337,000 points

Completion Rate Formulae

EASY (no Hold notes)
- Current Score x 100 / Reference Score
NORMAL
- [ Current Score without Hold bonus + min(5, Hold Bonus x 2) ] x 100 / Reference Score
HARD
- [ Current Score without Hold bonus + min(5, Hold Bonus x 0.5) ] x 100 / Reference Score
EXTREME
- [ Current Score without Hold bonus + min(5, Hold Bonus x 0.2) ] x 100 / Reference Score

And rounded off to two decimal places.
The completion rate shown on the completion gauge in-game uses these exact formulae.
Though it does not factor into the Reference Score, the life bonus increases the Current Score and thus, the completion rate.
As far as the Hold bonus goes, it is added to the completion rate at a modified but fixed rate (NORMAL: 200%, HARD: 50%, EXTREME: 20%).
- However, the maximum amount the Hold bonus can add to the completion rate is capped at 5% across all difficulties.

From this formulae, it can be concluded that the completion rate is capable of going above 100% regardless of difficulty.
- For songs with a lot of Hold notes, it can go up to 105% + life bonus.
Since the Hold bonus is added at a different rate and is capped at 5%, the highest score may not necessarily reflect the highest completion rate, and vice-versa.
- Depending on the situation, an ongoing combo might be given up so that a Hold note can be maintained, using the MAX HOLD BONUS to aim for a higher score instead of a higher completion rate.

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