As announced by Microsoft's Major Nelson, Xbox 360 games Skydive, Planets Under Attack, and Clannad have been added to the catalog. Note that Clannad is only available in Japan.
If you already own any of the games for Xbox 360, they should show up automatically in your Xbox One game library. If not, you can buy them on your console or via the links below.
The Xbox One's backwards compatibility library now has more than 300 games in it. Earlier this week, all the core BioShock games joined the catalog, while Bully, Catherine, and Raskulls also joined the lineup this week.
In other news, Xbox executive Phil Spencer said this week that nearly half of all Xbox One owners have used backwards compatibility.