Super Mafia Bros
In this flash game, Mario is equipped with a lethal weapon and you can shoot down all the enemies that come along your way. Use your LEFT and RIGHT ARROWS to move lieft and right. Hit "X" KEY to jump and press "C" KEY to shoot the baddies. You can also stomp on the Goombas to kill them, but be careful if you touch them you'll lose a life and you've to start all over again. Have fun!