Invizimals: Shadow Zone is a PlayStation Portable augmented reality video game developed by Novarama, and published by Sony Computer Entertainment Europe. It is the sequel to 2009's Invizimals. As such, it is a collectible creature game, and requires the PSP's camera attachment for play. It was released on November 12, 2010 in Europe and on October 25, 2011 in North America. The game also includes a needed trap card to play but can be easily replaced by printing a new one. A sequel entitled, Invizimals: The Lost Tribes was announced in June 2011, which was released on November 4, 2011. Story After the events of the previous game, Kenichi Nakamura is hurt by the betrayal of Sebastian Campbell, and creates the Alliance, a group of Invizimal hunters tasked with protecting Invizimals and the world against those like Campbell who seek to exploit InviZimals for their own gain. Kenichi appoints the player as one of the Alliance's first members. Kenichi and his friends, Jazmin Nayar and Professor Bob Dawson, meet in a Barcelona library alongside a colleague of Dawson's, Professor Alex Michaels. There, they discuss their intentions to explore the world to find new Invizimal species. Kenichi posits that Campbell may still be alive, which the others doubt. The three of Dawson, Kenichi, and Jazmin take part in a friendly tournament that the player wins. After this, the three friends set off to explore the world, with Dawson exploring North America, Jazmin exploring eastern Asia, and Kenichi exploring parts of Northeast Africa, with the player assisting each of them along the way through their journey. As Kenichi is exploring the base around Mount Kilimanjaro, he discovers an unusual looking Invizimal that he caught which looks like a Rattleraptor, but much more aggressive and powerful, and it is interfering with Kenichi's PSP system. While the player fights it to conduct research, the Dark Rattleraptor uses an unusual power that had never been seen before. After the battle concludes, Kenichi determines it must be dangerous, and sends it to Professor Dawson so that he can perform further experimentation. Dawson concludes that this Rattleraptor is a dark creature, a corrupted version of Rattleraptor that is much more powerful, aggressive, and dangerous to electronics. While Professor Dawson is exploring Native American redwood forests in California, he is becoming increasingly deranged and paranoid, to the extent that he suspects people are stalking him. Dawson soon finds