Atari 5200 - a5200
Countermeasure - mediocre tank game. No wonder that it is only on the Atari 5200! It is necessary to move to the top of the screen, destroying store. They are terrorists hiding missiles capable of Washington smash into pieces. Of course, interfere with guns, tanks, jeeps and missiles. Americans speak about this game is good, but I did not like it terribly! In general, in 10 minutes you need to save the US capital.
The storage neutralizes passwords rocket combinations of letters L, E, and O (e.g. ELL, OOO).