Next cheapest I see is £8.99 @ Game.
Ninjatown is a vibrant yet peaceful place. However, after the mysterious eruption of a nearby volcano, Ninjatown is attacked by hordes of sinister enemies lead by Mr. Demon, who for reasons unknown is bent on destruction.
It is now time to use each of the ninjas' unique and adorable skills to fight off the evil hordes and save Ninjatown, one district at a time.
-Based on the popular Shawnimals designer toys and plush
-Non-stop "Action Strategy" gameplay lets you fight as well as build
-Battle Mr. Demon's sinister forces across 35 maps and 9 districts