If you get pinned by a sniper, move in a zigzag
until he stops shooting or you find cover.
Secret Bazooka Guy On Base
On the map base, in the campaign, when your objective is to hold off the forces and find a way the sabotage the rocket, if you pick up the sniper rifle, and look out the right window you will see a German holding a bazooka. When you see him, he will fire at you. Don't worry the rocket doesn't go inside the room. But as soon as you kill him, you give the objective.
If you run out of ammo during a multi-player
there is a simple way to get full ammo. Just run
around the battlefield until you find an white
sodier icon. Step in it. You will here the
reloading sound. You now have full ammo!