Game Company Logo

One of my friends is making a site and he showed me the first logo he made:

then I showed him this one I edited:

then he made this one:
3.

Then I made this one
4.

and this one:
4.

Any of these good? Or should he keep trying. Don’t be afraid the criticize either. If they suck say so. (I’m not a designer by the way so meh).