Quote: A trick here in NZ is to use 'taggers' to tag pavements and walls with addresses of the site in areas of the cities that wouldnt be too concerned about pavement tagging, especially if it looked nice and underground magazine publications in conjunction with suburban news media.
i would not want to recommend this to you. a) you might get into trouble b) seriously the target audience for casual games is not into streetart!
what you shoud do is get a perfect website up(look how others do it), then SEO optimize it, use google adwords to promote it until you get enough traffic from search engines wich can take up to 1 year after optimization.
