Three new Xbox 360 titles are now backwards compatible on Xbox One.
— Larry Hryb (@majornelson) March 23, 2017
Darksiders and Revelations are both part of Xbox Games With Gold for April 2017, meaning Xbox Live Gold subscribers will be able to download the titles for free.
If you already own digital copies of the above games, you’ll be able to download them inside the Xbox One’s My Games and Apps second. If you own disc-based versions of the games above, simply pop them into your Xbox One to begin the download process.