Deep inside a dark forest lies a nation of monsters, Daemoland. Filled as it is with ancient ruins, labyrinths, and remnants of wars with other worlds, the only humans who visit are adventurers searching for treasure. And the one who will restore this country to its former glory... is a young boy! It's the job of young Demon Lord Claude and his cohorts to menace all the invading heroes. Can Claude use the magical artifact "Klow SIze" to keep his kingdom safe? And what do the adventurers really want? Pack dungeons with traps to stop the invaders and find out! It's the fourth game in the trap dungeon action series!