Multiplayer single screen 3rd person shooter. It used advanced Direct3D 9 rendering techniques to compensate for XNA’s slow runtime. For example, it used instancing on the enemies storing the bone animation data in textures to draw all enemies with a single call. It was also made entirely by me, I even did the 3D art in blender.
Advanced shader model 3 graphics
AI implementation with fuzzy logic, goals and steering behaviours
Continuous physics implementation