World of Tanks Tutorial Part 4 is another trailer to explain the inner workings of World of Tanks, Wargaming.net's MMOTPS. Today's installment discusses game modes as well as upcoming high-level content. Also, the World of Tanks Blog announces the release of a new patch to bring the beta to version 0.6.3.8 adding a new map, an interface for clan battles, premium tanks, and more.