Sure... YOU would have to start the game since as owner of the module you would need to be the creator. Then you can promote anyone to be a 'co-GM' which would give them most of the powers of a GM ( see here for details ). After that you could save the 'log in as player' link to always join the game as a player. Make sure to fully read the wiki link above as co-GMs can do most things but not some key things. However all of the things needed to effectively GM the game woud be available to a co-GM.
