Take out the fat boss
Complete first mission
Take down the robot boss
Take down region 1 boss
Complete the second sniper mission
Complete the first sniper mission
Complete the third sniper mission
Complete the fourth sniper mission
Complete the tenth sniper mission
Complete the fifth sniper mission
Complete the twentieth sniper mission
Complete the thirtieth sniper mission
Complete the first side mission
Complete the fifth side mission
Complete the tenth side mission