Select one of the four characters, they all have distinct types of firepower.
A short introduction before each mission
The boss of the first level
Some levels have innovative gameplay. This boss is chasing you, running on the freeway with attacks from all sides.
These parts make up one huge boss, transformers style.
You need outstanding reflexes to beat the bosses, they're extremely tough.
Shooting bikers from the side of a train
This boss just leaped on top of the train: remarkable animations.