There are several methods of playing airsoft and only you can choose which one is right for you. The main objective to the game is to have fun and enjoy time with your opponents. Skateboard trucks be the last one standing with these methods below. The MilSim, short for Military simulation is a method of Airsoft playing game that blends military live-action role-playing scenarios. Each team is assigned tasks or missions to accomplish. They are provided with ample supply of ammunition (pellets), batteries, food or rations, gears, uniforms and other safety equipment.