If you think you are invincible and tougher than nails then you need to test your shooting skills in the CF Invincible first person shooter flash game.  In CF Invincible you have unlimited life so take your time and take good aim to kill all the terrorists.  In CF Invincible you also have another very important resource that will help you win this first person shooter.  You have unlimited bullets so you can keep your eyes on the enemy soldiers and not have to worry about reloading your gun while shooting the terrorists.  Even with unlimited life and unlimited bullets the CF Invincible first person shooter flash game is going to put your shooting skills to the test.  Good luck soldier.