You're walking down the streets of crime. Thugs and hooligans lurk on every corner, ready to ambush you with baseball bats, lead pipes, and broken bottles, but they are no match for your kung fu skillz. Just as long as you make sure not to end up fighting behind a sign, lamp post, or billboard. Most modern emulators have the ability to remove obstructive foregrounds. Better games avert this issue by fading out the obstruction when they think it's in the way. Note that in some cases, Obstructive Foreground is done deliberately. Compare Behind the Black.