If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Annihilate all your targets and fulfill your special mission. Use your tank to find and destroy your enemies, but you must be careful because the road is full o civil cars, and a good soldier doesn't make victims between civilians. Use your canon to annihilate enemies before they reach the town. be the Annihilator of bad guys and the town hero.
Arrow Keys - Move.
Spacebar - Shoot.