Abstract: The present invention relates to a computer system and method for promoting on-line activities on desired sites via a virtual entertainment system that provides games, interactions or activities that take place either partially or fully on the partner's website or within the virtual space associated with the partner's website. According to one aspect, the invention drives on-line traffic to partner sites using Virtual Collectibles and other prizes rewarded for participation in Internet-based games. The games are designed to promote users to visit and/or perform other activities on the partner sites, and can include giveaways, special offers, treasure hunts, combo puzzles, among many other types of games. According to other aspects, the games can be played by users in the course of, or with very little effort in addition to casually surfing the web.