/xgm - Displays plugin information
/xgm reload - Causes XGM to re-read config.yml and data.yml
/gm mode - change your own game mode (not available on consoles)
/gm mode player name - causes the change
Player's Game Mode/GM Mode -Offline - Allows all players who are not online to change their game mode
/gm mode -online - allows all online players to change the game mode
/gm mode -all - Change the game mode for all players