The ghast king Malacoda and the terrible enderman Erebus have led their monster army to the server that houses the Source, with plans to destroy Minecraft and all the digital lives on its servers before escaping once and for all into the real world. Only Gameknight999, the User-that-is-not-a-user, and his small army of NPCs can stop them. But the monster horde is growing bigger by the day, as if they are being helped by an unknown someone ... or something....

Can Gameknight999 survive a Minecraft journey one hundred years into the past? A freak thunderstorm strikes just as Gameknight999 is activating his fathers digitizer to re-enter Minecraft. Sparks flash across his vision as he is sucked into the game… and when the smoke clears hes arrived safely. But it doesnt take long to realize that things in the Overworld are very different. Gameknight sees the same blocky terrain and square clouds as usual,...

Gameknight999 is hot on the trail of Entity303, who has kidnapped Weaver. He follows the mysterious villain into the strange mod world of Mystcraft, with green skies, trees with blue leaves, floating islands, and a blood-red moon. Entity303 makes his way to a tower made of sparkling blue crystals, where he steals a linked book from the User-that-is-not-a-user, disappearing into one of Mystcraft's many ages. Without the linked book, Gameknight has...