Furthermore, on each sheet there is an optional speed challenge - perfect for building up fluency. (tes.com)
Explore different continents and conquer all the tracks in this funny and engaging speed challenge. (apppcdownload.com)
These include the Test of Speed Challenge Mode, Test of Wisdom Challenge Mode and Endless Challenge Mode, as well as the «Lord of the Hunt» and «The Bright Lord» story missions. (mkaugaming.com)