Before you start. It is recommended to use a language like Japanese since the characters are short.

During dialogues it is recommended to keysmash the heck of your keyboard. (i mean most of the speedrun is keysmash soo..)

You can skip every single tutorial except for the first one.

1-2 | There's a tutorial before 1-2. Remember to skip that! | After 1-2 there's a cutscene you can skip.

1-X | During a cutscene in 1-X you can hold your spacebar to skip it. | You can press Esc > Q immediately after seeing the "ACT 1 COMPLETE/PERFECT" | screen, to instantly quit the level. | After 1-X you have to move to Act 2. Remember that!

2-1 | There's a tutorial before 2-1. Remember to skip that!

2-2 | There's a tutorial before 2-2. Remember to skip that! | The fast parts will give you less misses to your counter. Beware the slow beats!

2-3 | There's a tutorial before 2-3. Remember to skip that!

2-4 | You can skip the level immediately when the level loads. You don't have to start it.

2-X | This level has window dance. Remember to put any personal info away from an visible place on your display! | Or you can put Simulated window dance. Or heck even none. | Remember! After this level you have to move to Act 3!

3-1 | There's a tutorial before 3-1! Remember to skip that!

3-2 | There's a tutorial before 3-2! Remember to skip that!

3-3 | There's a tutorial before 3-3! Remember to skip that!

3-X | At the mr. stevenson interaction you can skip that cutscene. | At the last part of 3-X you can keysmash because the game forces you to have the unmissable difficulty. | After 3-X you have to go to Act 4. Remember that!

4-1 | There's a tutorial before 4-1! Remember to skip that!

4-4 | There's a tutorial before 4-4! Remember to skip that! | After 4-4 You have to return to the hospital. Remember that!

1-XN | Before 1-XN you can restart to skip the cutscene. | You can press Esc > Q immediately after seeing | the "ACT 1 NIGHT COMPLETE/PERFECT" screen, to instantly quit the level. | After this level you will get sent to X-0

X-0 | When you get to the start menu, you are finished!

possibly outdated, however it has most of the info