Casio KUNGFU / LCD Handheld from Casio | CASIO CG-310

This game is from 1984, KUNGGU, CASIO CG-310
This game is in a very good condition. But at the beginning, it was without function. Fortunately I could repair it because a only the batteries contakt has a little bit corrosion.
The task of the fight other persons and this is difficult.
I have to admit I had never played this game before. In the beginning it was really difficult to play because I hardly scored. But that's not bad, because the game doesn't get boring that quickly.