Major Nelson has announced, earlier today, Mass Effect trilogy was available to Xbox One gamers via backwards compatibility. On top of that, it’s also on EA Access program available free of charge for subscribers.

Mass Effect 2 and Mass Effect 3 are coming to Xbox One Backward Compatibility today. #HappyN7Day https://t.co/qPMRNrLoTQ pic.twitter.com/7QhGCbrutd

— Larry Hryb, Gamer Emeritus 📱⌨️🖱️🎮 (@majornelson) November 7, 2016

Source: Xbox One Reddit