Wikipedia:Articles for deletion/Halo Engine
While the series is very notable, I agree with David in that the engine itself isn't. The engine is nearly completely proprietary with only a couple of titles outside of halo using it. The only other notable source I have managed to find that discusses it, is an old http://www.gamasutra.com/php-bin/news_index.php?story=15890 Gamasutra Article where Bungie's head of production says that there is no plan on selling it. As such I say delete per 
— User:Noctrine, 17:51, 20 July 2009 (UTC)
Stance: delete
Cited policy: WP:GNG (Wikipedia:Notability)