Upload your game on the Gallery for others to play and experience.
Select the 'Gallery' tab in the top right corner of the Game Maker home screen
'Featured Experiences' - Hang out with your friends in the very first multiplayer experience created by the Sandbox team called TSBHub: Paris. Other games will be featured here soon.
'Latest Experience' - When you upload your game to the 'Gallery' it will be displayed here for everybody else to play and experience.