If you want to challenge the computer, you will have it very difficult to win. You must have a brilliant strategy... Select with the mouse the box where you want to put your symbol, bearing in mind that you can only do it in the green boards.
Choose the combat mode you want to plat and fight for your life. Eliminate all your rivals, improve your weapons, and avoid the shooting. Use A,S,D,W to move, aim and shoot with the mouse.