The combat strategy game lets you choose an element from fire, water, earth, and air, and then build up a kingdom to do battle with others.
As its name suggests, Mark of the Dragon also features dragons, which can be bred and flown into battle in third-person 3D. There are over 130 dragons available.
Multiplayer allows you to invade other players' kingdoms, and ensure that your own is fortified against attacks.
Mark of the Dragon is a free to play game, with in-app purchases ranging from $2.99 to $99.99 in US dollars. You can read a full press release here.