OFF-LINE

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Pretty nice--you've got an interesting cartoon/comic book hybrid style that I dig. I liked "The Marine Work" the best out of the trio.

I like the way you made the red key look like.
Only thing I could notice was that the God Mode eyes doesn't have that kind of "glow" to it.

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but it's flat yellow, whereas in the sprite they look shiny due to the brightness changing (to simulate a curved surface reflecting light)

anyway looks really good, I also liked The Marine Work..."just another day at the office"

That's really awesome stuff right there!
I also like the 2nd picture in particular.
My only minor complaint would be the marines left arm, it looks like it's at an unnatural angle somehow...