GunBound World Champion 427 strategy game where you will have fun in the battles with war tanks.
Battles will take turns among two participants.
When your turn comes you will have to bear in mind force and the shooting angle to be able to not only shoot but also you need at some point to hide yourself to attack later.

You will get impressed at the graphs the game has and also the sound and the best thing is that you will be able to chat while you are playing.