During Microsoft E3 2015 press event, the company revealed plans to offer support for playing a number of Xbox 360 games on the Xbox One . That support begins today for members of the Xbox One preview program with a list of 21 Xbox 360 games that those users will be able to play on their console.

Here are the games that will be available to play on the Xbox One when the preview update goes live later today:

A Kingdom for Keflings

A World of Keflings

Alien Hominid

Banjo Kazooie: Nuts n Bolts

Banjo-Kazooie

Banjo-Tooie

BattleBlock Theater

Defense Grid

Geometry Wars Evolved

Hexic HD

Jetpac Refuelled

Kameo

Mass Effect

Perfect Dark

Perfect Dark Zero

Small Arms

Super Meat Boy

Toy Soldiers

Toy Soldiers: Cold War

Viva Piñata

Viva Piñata: Trouble in Paradise

Microsoft will add Xbox 360 backwards compatibility for all Xbox One owners later this fall, and by that time the list should have expanded to include over 100 supported games.

Source: Xbox