From Wikipedia, the free encyclopediaJump to: navigation, search This article needs additional citations for verification.Please help improve this article by adding reliable references. Unsourced material may be challenged and removed. (February 2009) This article is about the commercial release of a product or work related to another work. For the term used with respect to collegiate football in the United States, see Automatic bids to college bowl games. For the road term, see On ramp.A tie-in is an authorized product based on a media property a company is releasing, such as a movie or video/DVD, computer game, video game, television program/television series, board game, web site, role-playing game or literary property. Tie-ins are used primarily to generate additional income from that property and promote its visibility.