The style is a little too punk cyborg for my tastes. I would prefer a cleaner look, with a helmet. Before you added the head, I thought it was a medieval knight.
Aside from the style, I would try a higher poly count. Modern games are in the 3000-5000 range. This looks like a Quake 2 model.
Aside from the style, I would try a higher poly count. Modern games are in the 3000-5000 range. This looks like a Quake 2 model.