Walls of Jericho

Life in Jericho City, which is underground below the Earth's surface, is not what it always appears to be. Reid and Satsuki, two young children living on Level 1067, soon discover this to be true. After receiving the mysterious 'Upgrade' from Central Control, they find themselves thrust into a wild Sci-Fi filled adventure. Their journey takes them from the heart of the City and down into the abandoned lower levels. There they meet a small servant droid named Ninety, who joins them on their quest. All three of them soon find themselves in situations, and locations they would have never dreamed of. In the end will they discover the truth behind what Jericho City's awesome secret really is