Check your weapon before you start the game so you don't run out of bullets in the middle of the battle.
You can only bring a knife, a pistol and a machine gun to the arena, you can find your weapons on the ammunition panel.
You can get a different kind of weapon for you.
The soldiers know the place well because they are trained in the bushes in the forest.
Your enemy is more advantageous than you.
They may have hidden special and hidden weapons somewhere in the depths.
If you can find hidden and special military weapons, you are free to use them.