A targeted in-game advertising system is provided where advertising content may be delivered to a video game network environment. Advertisements may be delivered through the tagging of advertising assets in the video game environment according to one or more characteristics including user geographical location, personal preferences, a personal profile, video game preferences or video game genre. Methodologies for tracking advertising impressions are also provided based on monitoring the video game environment to determine the quality of impression to which the user is exposed in the video game environment.