Butterfly
Arcade
128
BPM
847
Notes
8.5
Notes per Second
v1.10 · Feb 15, 2011
Debuted in Fiesta EX
v1.00.0 · Jul 4, 2023
Added in Phoenix
Original
Channel
345
Scores tracked
96%
Pass rate
Hard to pass for its level — scores about as expected.
Scores open up around competitive level 20.
Core Skills
Twist-heavyClose TwistsTwist 90Over-90 TwistsDifficulty Spike +0.95-StairsTwistsRuns
Features
Slow
Pass Difficulty · Hard
Score Difficulty · Medium
Chart Stats
Step chart
Time runs downward — arrows colored by panel, feet, or timing.Where runs end isn't shown — this step file disagrees with the game's judged note count.
History
Level changes across mixes, from the catalog record.Fiesta EX
debuted at S16
Fiesta 2
unchanged · S16
Prime
unchanged · S16
Prime 2
unchanged · S16
XX
unchanged · S16
Phoenix
unchanged · S16
Rise Arcade
rerated S17▲ +1
Rise
unchanged · S17
Phoenix 2
unchanged · S17
Leaderboard
Charts like this
From the similarity graph — evidence-weighted, rebuilt nightly.Chart analysis made possible by PIU Center