In this typical worms game, 2 teams of up to 5 players fight face to face and your mission is to conquer 8 cities of the USA, but when you start only 2 of them are enabled.
When you start the game click to select your type of player (there's 4 available) and amount of enemies (from 1 to 5; 3 by default). Then click on 'PROCEED' to start playing. During the game, arrow keys to move and jump; arrow keys combined with the SHIFT key to move along the full field and in this way explore it. Left click to take things. Move the mouse to aim, and drag it back to give power to the shot.