>> reporter: red alert in a soviet-style nuclear bunker. for a couple of russians, racing to prevent a catastrophic strike on the united states. >> nuclear bombs will be launched in one hour. >> reporter: the aim of the quest, the latest gaming craze in moscow, is to find the nuclear launch codes and to activate the hidden red button that's already been pressed by a mad russian general. of course, it's complete fantasy. but amid the current tensions with russia, it all feels a little unsettling. >> are you worried that something like this could happen in real life? >> of course. >> i'm not. no, i'm not thinking about it. >> i am worried, because i know that normal people all over the world, they don't want any war. >> now i know that in school in russia, they tell to the