Hidden weapons:
The following objects can also be used as weapons.

Totally destroy a car, then Smasher can pick up the
engine and use it as a weapon.

Destroy the airplane at the Airbase to use its gun.

Destroy the two large black structures found in the

Hovercraft level to get a flare gun.

Destroy the police car in the Car Park level to get a
rocket launcher.

Go to your left as soon as you enter the reception level
and destroy the farthest box to get a pistol and 2
grenades.

After entering the Bronx level, keep going straight and
pass the train that throws bombs at your character.
Then, turn left and break open the brown gate to get a
pistol in each of the two left boxes in the gate.

Destroy the first car on the bridge level to get a
pistol. Destroy the second car at the end to get a
shotgun.

Destroy the parked black car inside the gate in the Car
Park level to get a shotgun