While you can play all of the games you create, you can only play other people’s games if they are “published”. Publishing a game basically means that you are making it public for other people to play. So, If you want other people to play your game, you need to do the following:
In the editor click on “Game” and then “Settings”
Under “Visibility to ARIS Client” click on “Published”
Some next things you might want to explore . . .
Adding Locks -- http://manual.arisgames.org/editor/locks