2.precision( 1.2 and later versions are available): slide from top to bottom anywhere on the screen with two fingers.
3. Entrance (2. 1 and beyond): There are two hidden songs. The unlocking method is as follows: drag the left wing to the root to coincide with the right wing root, and drag the right wing to the root to coincide with the left wing root.
4. Saika (version 2.0 and later are available): Click the Chinese characters "Cai" and "Hua" once (the order doesn't matter, the background of the words will turn blue after clicking), and then click the area near the center of the screen.
5.L (available in version L(4.0 and later)): Press and hold the "L" in the title screen, and then release L2 (version. A) When it turns red, L2 (version. B) When it turns blue-purple.
6. First Gate (version 5.0 and later): Click the English word "First Gate" once, and the word "OVERDRIVE" will appear in the lower right corner of English. At this time, you can choose the difficulty to enter according to the normal method.
7、? (Slit) (version 5.0 and later available): There are two hidden songs. The unlocking method is: slide from upper left to lower right on the middle ring, and slide from upper right to lower left on the middle ring.
If the above operations are completed correctly, the "Start" button with a red edge (usually blue) will pop up immediately, and then click the "Start" button to play the hidden music.