Before revision: Given pervasive games that maintain a virtual spatiotemporal model of the physical world, game designers must contend with space and time in the virtual and physical . Previous works on pervasive games have partially contended with these representations , but an integrated conceptual model is lacking.
After revision: Given pervasive games that maintain a virtual spatiotemporal model of the physical world, game designers must contend with space and time in the virtual and physical , but an integrated conceptual model is lacking.