Great work for Alpha release !
One little something I would like to say is keyboard, w for walking in qwerty but think too for azerty as z for walking ! Can you fix that ?
Everything else is very good.
Ok maybe anyone can help to fix this issue ? But i can't see the shadows as strange or change for angle to point of view ? Or better it is to model in Blender and export to FBX maybe it would work on this ?