with the soldier in this game, you need w to jump and the mouse to look around aim and shoot the enemies. your goal in every level is to survive, to reach the destination safely. you can chose the difficulty level before you start the missions. according to the difficulty level you will get your rewards. you will get more points if you complete a mission which is set on difficult not easy. if you are hit or shot you will lose life with your soldier. i think to the top somewhere in the left side you will see your health. you have a weapon at the beginning but as 