 This collection also features more than thirty-five minutes of unlockable interviews from Sega of Japan, a "museum" with facts about the games, strategy tips and box art for each game, as well as a "Sega Cheat Sheet" that consists of cheat codes for most games, and a set of unlockable arcade games, (some of which are from the early Sega/Gremlin era).The collection also contains unlockable trailers for "Phantasy Star Universe" and "Virtua Fighter 5".† Not available in Sonic's Ultimate Genesis Collection.