The Tunnel is a film advertised in Grand Theft Auto III. It is possibly a horror film, and features the tagline "It's Dark Down There...in The Tunnel". Posters are seen in subway stations around the city. The "Tunnel" referred to in the movie title is possibly the Porter Tunnel, as it can be seen in the poster. The tagline may be a reference to female genitalia.The movie may be based on the 1996 film Daylight.