Valkyrie Entertainment work from 2011:
Modeled/Textured turret for Hi-Rez Studio's Tribes: Ascend.
Modeled/Textured game-res Mortar Launcher for Tribes: Ascend. (video below)

Would like to point out that all models are unlit with "Flat" lighting. All lighting is painted into the Diffuse texture.
3d interactive Model Viewer: