They were in high schools handing out free CDs for the America's Army computer game twenty years ago.
> the military have used deception and technology to convince the rescued children that the humans outside the base have been possessed. They provide military training to the children, forming them into squads to go on kill missions outside the base. Meanwhile, the military was in fact run by the aliens
1: https://www.reddit.com/r/Games/comments/snp85x/comment/hw4mk...
As I remember it was a kinda boring and ugly game? Compared to say Counter Strike.