Memorise the light pattern and replicate it when the light fades.
You can 1 misclick per level. 2 misclicks and you will lose a level.
Get all the lights correct and you advance a level when you press New Game.
Every level starting from level 2 will unlock a secret code word related to Fuhua. Collect the code words and key them into the google form on the main page.
Be careful with the capitalisation of letters (Eg. Secret vs SECRET vs secret), the form is case-sensitive.