If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Drive your smuggler train loaded with profitable commodities as fast as possible. Get out of the chasing car from the police. Try to speed up, launch missiles and use your shotguns to deal with the attacks from the police. Good luck!
Arrow keys to drive and balance. Z to speed up, X to launch missile, C to use electric shotgun, V to shield.