YesSir is a turn-based artillery game aiming at the defense of your country against fearsome invaders. YesSir provides a single player campaign and a multiplayer mode. Leading a tank, you need accuracy and strategy to blow up enemies before being killed. Evolving in a destructible environment where both falling and weapon fire cause damage. Be careful, wind magnitude often changes and affects the ballistics of shot. Challenge your friends and people around the world during fierce games in online multiplayer mode (up to 4 players)! In single-player mode, more cities you clear, the more you earn money in order to buy new weapons, small missiles to thermonuclear weapon through laser and napalm and the more you become powerful in online battles! Unfortunately for you, your enemies are improving and leveling up gradually during the game, becoming so quite more efficient ! Test your skill : aim with a good judgement of distance and strategy to liberate your country! Game inspired by Tank Wars by Kenneth Morse (1990).