Speaking of this game... there are two more issues:
It is sometimes impossible to hit the earwig or the caterpillar. The bullets go right through these two bugs, but nothing happens sometimes. I'm not sure this is also the case in NTSC ... but I always wondered what happened. I did not have this issue with the 1983 version. Anyone?
Here we go:
I hope that all PAL issues are fixed in this version.
I'm attaching fixed ROM image for those who care too.