Playables are games that you can play directly on YouTube on all devices.
Get started on Playables
Playables can be found on the Playables shelf on the YouTube Home page or directly on the Playables destination page, which is reachable from the Explore menu. You can also find Playables using Search and in the You tab after saving a game to play later. To share the game from a card or while playing, select the three dot More 
To start playing, click on any of the game cards to jump into the gameplay. On certain devices only, you can play games and enjoy watching or listening to YouTube content in the background with full control of video playback through the miniplayer.
We’re always adding more games, so be on the lookout for new titles.