When “the purpose is to teach soldiers that using the wrong gestures can potentially cause offence and escalate already tense situations,” this is the essence of serious games. I don’t see why k12 students might not benefit from similar cultural sensitivity simulations.
I was surprised to find that the game, “Tactical Iraqi,” is a mod of Unreal Tournament. Jean-Claude is in good company… or perhaps its Darpa that’s in good company. ;)