There is definitely some anatomy that can be fixed in this model. Most of the critiques here are based off the sculpt since it provides a more detailed look at your anatomy although your game model proportions seem to be different. Even some of the forms seem to be different so Im not sure which one is more current. Maybe Im wrong about this though.
The bicep area is much too short compared to the rest of his arm. The butt also a bit too high on the body and could be larger as far as the area of the body it takes up in his midrift. The feet don't seem to properly connect with the shin area. You have a bunch of flesh coming from the shin to his feet without any sort of definition for the tendons and the ankles and how they connect. Overall there is some work that needs to be done on blocking out the anatomy and connections between different parts. Since your character is so muscly and chiseled this is especially important because the anatomy really shows in that situation.
The loin cloth should also look more separated from his body. Right now it looks like a part of his flesh. Maybe try masking out some polygons for the loin cloth and doing an extrusion rather than trying to sculpt it with brushes.
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The bicep area is much too short compared to the rest of his arm. The butt also a bit too high on the body and could be larger as far as the area of the body it takes up in his midrift. The feet don't seem to properly connect with the shin area. You have a bunch of flesh coming from the shin to his feet without any sort of definition for the tendons and the ankles and how they connect. Overall there is some work that needs to be done on blocking out the anatomy and connections between different parts. Since your character is so muscly and chiseled this is especially important because the anatomy really shows in that situation.
The loin cloth should also look more separated from his body. Right now it looks like a part of his flesh. Maybe try masking out some polygons for the loin cloth and doing an extrusion rather than trying to sculpt it with brushes.