Play every song, then play about another twenty songs. You will then see it on your song list.
Emi (2) (4th) (dancer)
Complete fifteen songs with Emi (1) (4th) as a dancer.
Keep On Liftin'
Pass every Nonstop course.
Naoki Premium
Complete the Naoki Neo-Standard Nonstop course.
PARANOIA Survivor Max
Get an "AA" or greater rank in all songs in the Paranoia Brothers course under Heavy mode.
Paranoia Survivor MAX
Get an "AA" rank on every song in the Paranoia Bros. Max 2 Oni course. Note: Sometimes you might see it on your song list, but you cannot play it on challenge. You will only see it a few times.
Paranoia Survivor
Complete Paranoia Brothers Oni course. Alternately, complete any of the songs in the course under Heavy mode.
The Legend Of MAX
Pass The Legend Of MAX as your extra stage.
Tomorrow Perfume
Get an "AA" rank or greater.
Trip Machine survivor
Get an "A" or better rank on Trip Machine Survivor under Heavy mode as as semi-final stage.
Try 2 Luv. U
Get twenty "A" or greater ranks (except in beginner mode). Alternately, complete Lesson mode.
U1 (dancer)
Play MAX. (period) as player two.
Un Deux Trois
Get fifty "A" or greater ranks (except in beginner mode).
Xenon
Get an "A" or greater rank on V (for Extreme) challenge.
Additional Dancers option
Complete every Nonstop course.
Angel's Oni course
Complete ten Oni courses.
Brand New Songs Oni course
Complete the Brand New Songs Nonstop course.
Brand New Songs Nonstop course
Complete A Stupid Barber.
Darkness Oni course
Complete any song with the "dark" setting.
From GF & DM Oni course
Receive an "A" or better on Mikenko Rock in Heavy mode.
From IIDX Oni course
Complete one Oni course.
IIDX Boss Oni course
Complete V (for EXTREME) challenge with an "A" or greater rank.
Legend Road Oni course
Pass True Demon Road Oni course.
Legendary Road Oni Course
Play every Max song. Max songs do not have to be beaten; just played.
Max Quartet Nonstop course:
Pass MAX. (period) as your EXTRA STAGE.
Rap 5 Oni course:
Get an "A" or greater rank on Daikenkai challenge.
