BioShock Demo and High Definition TV Spot Trailer Category: News Archive Hits: 887 Written by BuckGB on August 13th, 2007 Tweet View Comments Xbox Live's Major Nelson is reporting that both a 1.35 GB demo and a sixty-second high definition "TV spot" trailer for 2K's BioShock are now available for download on the Xbox Live Marketplace. Go grab 'em! View the discussion thread. back to top Related Games: BioShock Infinite Prev Next