NetPanzer is a real time strategy game that involves tanks battling in the Second World War. The game benefits of both single and multiplayer and you can choose whichever you want. There is no campaign mode and in single player you can fight against bots on different maps, while the multiplayer brings you and your friends in the same place.
The sounds are greatly created and you will not even have enough time to realize that the game lacks a proper soundtrack. The most difficult part of the game may be to learn a part of the key combinations that are available, but you should not be intimidated.