User blog comment:Crazy sam10/Call of Duty: Ghosts Teaser Trailer released/@comment-90.154.139.134-20130501194129/@comment-1937487-20130501194444

I heard they're using a modified "IRLtech" engine. It stands for "In Real Life"... I don't know what "Real Life" means, but it looks really good, though I have a feeling the gameplay sucks.