Rpg Poptropica Game Choosing? Please Help!?

Game choosing? Please help!? - rpg poptropica

What are some relatively good RPG, MMO or MMORPG, which are for children older than 9-13?

Please do not list the following:
Find dragonfable or other game (AQWorlds, AdventureQuest ...)
Pirates of the Caribbean Online
Wizard 101
Toontown
Runescape
Poptropica

Thank you!