In the year 21XX, the Li’s field (李氏力場) becomes reality, in a form of a tower defence system. The system seeks to weaken, if not totally destroy, incoming typhoons into Hong Kong. Li’s enterprise has appointed Player to control the typhoon defence system for Li. The game genre are strategy and tower defence game.
Now the HSI drops properly when typhoon touches hong kong, but the player does not notice this. there is no Visual and audio feedback.
Add them back so that the player know what they are doing