an engine is still an engine even if it was invented before the dinosaurs. the scripted debate sounds legit though IMHO

heres an episode from an anime that summarizes every football (or soccer) game engine. if you dont want to watch the entire episode the football part starts at 13:00ish
http://www.animeplus.tv/angel-beats-episode-10
yeah, even fifa has 'friendly fire' and 'possessed ball'