Platina is an English wiki under the Wikia domain, owned by Wikia, Inc. The purpose of this wiki is to provide any kind of information, from general to comprehensive, about everything on the worlds of Ar Ciel and Ra Ciela, the settings of Ar tonelico and Surge Concerto, in an encyclopedic format. Such information is not only limited to the one presented in the games themselves, given it's also set to include information from the Drama CDs, Hymmnos Concerts and Hymmnos Musical discs, the Official Material Books, manga, Light Novels, and also, about the features that make these games special, together with information about the people that made their existence possible and the companies involved in their development.

This Wikia wiki was founded by Enoki on July 18, 2008 as the Ar tonelico Wiki. It was renamed to the EXA_PICO Universe Wiki on March 03, 2014 in order to include contents from the Surge Concerto series due to its direct relation with the Ar tonelico series.

Platina is part of the Wikia Gaming Network.