At the moment, there are loads of player groups you can be added to. These are the most basic.
Mods:
The people that moderate best and are most helpful will most likely be added to this group.
Explorers:
The players that love to explore and cross over the bridge to lands unknown...
Battle Master:
This group is for the players that have won 10 or more battles whose Dragon is over level 20.
Celebrities:
The most popular players!
Master Trainer:
Players that have raised over 20 Hatchlings to level 10.
Proffesional Breeder:
This group is for players who have bred 10 Puretype Dragons.
DW Proffesional Artists
These people have drawn everything found on Dragon's World!
So work hard and maybe you can be added to your favorite group!