exterminate Ghost:Chemical STG

I was not good at the chemical symbol.
But, I have to master , because the chemistry is elective...

From the experience, I made this app!

Chemical symbol will appear along with the ghost.
It is a game of shooting Bambang it!
Please play to game, with don't care about Miss, then you will master to Chemical symbol!

You can play with specify only about atomic symbol or chemical formula what likely to learn in high school!

Come on, playing happily, you also please master the chemical symbol!

※ This app is available for free with sponsor's ad displayed .
※ If you don't want the ads, I recommend the paid version that doesn't display advertising.