CrossFire M4A1 Thunder

The First Person Shooter called CrossFire M4A1 Thunder is here for you to try and battle through.  The M4A1 Thunder is one super awesome and powerful gun.  See if you can take down the enemies before they shoot you.  If you can get a headshot you will get more points but the most important thing is to make sure you don"t let the bad guys shoot you.  Make sure you are looking all over because the enemy is hiding behind walls and on the rooftops.  Good luck and don"t get shot.