Games

Corus
Tamora Pierce RPG that takes place at about the same time as Trickster's Choice.
http://corus.yuku.com/bcorus

Corus Knight School
RPG based on the Tortallan novels.
http://www.geocities.com/cksmasters/Home.html

Mother of the Moon
RPG based on the Song of the Lioness, taking place in a convent in southwestern Tortall.
http://motherofthemoon.yuku.com/

Realm of Tortall
Beginning to advanced RPG based in the Tortallan universe, and set in Corus forty years after Trickster's Queen.
http://s7.invisionfree.com/Realm_of_Tortall/

SpyGlass
RPG based on the Tortallan world.
http://www.geocities.com/spyglassrpg/

Within Winding Circle
RPG set in the world of the Circle of Magic books by Tamora Pierce.
http://withinwindingcircle.yuku.com/