The player takes the role of a knight, armed with a lance and rides a battle dragon (instead of an ostrich as in Joust).
The most common enemy type are dragon riders in different colors but using the same sprite and animations, but there are also floating crystals and giant insects among others.
When the player and a minion collide, the one flying higher at that moment wins and the other one loses life energy, indicated by a bar in the upper part of the screen.
Illustrated by still images and text, he learns from the Elven magician Briannah that his brother, knight William, was killed in battle by the three-headed dragon Belzom.
Cain vows to take revenge for his brother and to save the kingdom from the flying dragon army of Belzom.