Requires the PSVita and PS3 system versions of the software (may be sold separately). This item is being licensed to you by Sony Computer Entertainment America and is subject to the Network Terms of Service and User Agreement, this item's use restrictions and other applicable terms located at www.us.playstation.com/support/useragreements. If you do not wish to accept all these terms, do not download this item. This item may be used with up to 2 activated PlayStation® devices associated with this Sony Entertainment Network Account. Please see software description for device compatibility. (c)2012 Sony Computer Entertainment Europe. Developed by Clever Beans. When Vikings Attack! is a trademark of Sony Computer Entertainment Europe.