"VocabularySpellingCity is an educational game website that helps you learn vocabulary and spelling through 25 interactive learning games and activities.
Students: you can practice your spelling and vocabulary word lists using our free educational games. "
From the website:
"Pora Ora is a FREE 3D world designed to make learning fun, where primary school children are rewarded for completing educational tasks that are linked to the national curriculum. The educational content is embedded in games and quests throughout the world, so children really are learning while playing. "