A simple list of all Hidden Sheets and their unlock conditions.
This Guide
This guide is fully up to date as of 22 March 2022.
Mashing The Difficulty Buttons
It’s these buttons. You can mash anyone you like.


Default Music
Lights of Muse – Ayatsugu_Otowa

Default Music
Mopemope – LeaF

Budget Is Burning Vol. 1
Stargazer – a_hisa

Happy Otaku Pack Vol. 3
conflict – siromaru + cranky

Happy Otaku Pack Vol. 3
XING – ginkiha

Give Up TREATMENT Vol. 3
trippers feeling! – KAH
Happy Otaku Pack Vol. 8
INFiNiTE ENERZY -Overdoze- – Reku Mochizuki

Happy Otaku Pack Vol. 10
Ginevra – MYUKKE.

Let’s GROOVE!
FUJIN Rumble – COSIO(ZUNTATA)

Let’s GROOVE!
HG魔改造ポリビニル少年 – IOSYS TRAX (D.watt with さきぴょ)

Happy Otaku Pack Vol. 11
Medusa – HiTECH NINJA

cyTus
Happiness Breeze – 3R2 as DJ Mashiro

cyTus
Chrome VOX – t+pazolite

HARDCORE TANO*C
BATTLE NO.1 – TANO*C Sound Team

HARDCORE TANO*C
Cthugha – USAO

HARDCORE TANO*C
TWINKLE★MAGIC – P*Light

HARDCORE TANO*C
Comet Coaster – DJ Noriken & aran

Happy Otaku Pack SP.
DataErr0r – Cosmograph

Phigros
Igallta – Se-U-Ra

Touhou Mugakudan
Bad Apple!! feat. Nomico – Alstroemeria Records

Just As Planned Plus
can you feel it – MK

WACCA Horizon
with U – t+pazolite & Massive New Krew feat. Lily(Shiki Aoki)

Happy Otaku Pack Vol. 14
Nekojarashi – EmoCosine

Happy Otaku Pack Vol. 14
Isouten – Zris

Arcaea
Cyaegha – USAO

DJMAX Refelct
U.A.D – HAYAKO
Click And Hold In Song Select
It looks as follows when charging:


MUSE RADIO FM 102
去剪海的日子 – Sugar & Co.( FM 17314 SUGAR RADIO – Sugar & Co. in the hidden sheet menu.)
This song has three hidden sheets in total.

7th Beat Games
Super Battleworn Insomniac – fizzd

7th Beat Games
Heracles – Yooh
Time Sensitive

Happy Otaku Pack Vol. 2
GOODTEK(Hyper Edit) – EBIMAYO
April 1st

Give Up TREATMENT Vol. 3
Sweet* Witch* Girl* – Morimori Atsushi vs. uma
October 31st – November 1st
Drawing Imaginary Symbols

Give Up TREATMENT Vol. 8
FREEDOM DiVE↓ – xi
On the difficulty select screen of this song, hold down the left mouse button and draw three imaginary circles on the screen rapidly. Do not release the left mouse button between circles. Just draw them over the other.

HARDCORE TANO*C
XODUS – DJ Myosuke & Gram
On the difficulty select screen of this song, hold down the left mouse button and draw an imaginary X on the screen. Release the left mouse button between strokes.
Touhou Mugakudan Collab

The description below her change and thus confirm you’ve unlocked the special tracks for her. Now go to any of the following songs and you can play special Touhou Mugakudan versions of them.

Touhou Mugakudan
Bad Apple!! feat. Nomico – Alstroemeria Records

Touhou Mugakudan
色は匂へど散りぬるを – 幽閉サテライト

Touhou Mugakudan
Cirno’s Perfect Math Class – ARM + Yoshimi YOUNO (IOSYS) feat. miko

Touhou Mugakudan
緋色月下、狂咲ノ絶 – EastNewSound

Touhou Mugakudan
Flowery Moonlit Night – Yonder Voice

Touhou Mugakudan
Unconscious Requiem – Shinra-Bansho

Just As Planned Plus
ナイト・オブ・ナイツ – ビートまりお
Unique

Let’s GROOVE!
ouroboros -twin stroke of the end- – Cranky VS MASAKI
On the difficulty select screen of this song, have the master difficulty selected. Then on the same screen press left left right right left left right right etc. until this song unlocks.

cyTus
CHAOS (Glitch) – Æsir
Go to the menu and go to the Trove tab. You’re going to view the following start screen:

Hit enter to watch it. Wait a couple of seconds. You should hear a ringtone and the following ‘phone call’ will pop up:

Click it and it should take you to this hidden track.