Super Bowl of the Super Bowl, while the Jaguars (1995) and Texans (2002) are both recent NFL expansion teams. (Detroit, Houston, and Jacksonville, however, have hosted a Super Bowl, leaving the Browns the only team to date who has neither played in nor whose city has hosted the game.) The Minnesota Vikings won the last NFL Championship before the merger but lost to the AFL champion Kansas City Chiefs in Super Bowl IV. The Green Bay Packers won the first two Super Bowls (Known as the AFL-NFL World Championship Game for these first two contests), defeating the Kansas City Chiefs and Oakland
Super Mario Bros.: The Lost Levels the R&D4 team to develop a sequel based on the same underlying technology, including some levels directly from "Vs. Super Mario Bros." "The Lost Levels", originally released in Japan as "Super Mario Bros. 2" on June 3, 1986, was similar in style to "Super Mario Bros." but much more difficult in gameplay—"nails-from-diamonds hard", as Jon Irwin described it in his book on the sequels. Tezuka felt that Japanese players had mastered the original game, and so needed a more challenging sequel. Recognizing that the game might be too difficult for newcomers, the team labeled the game's packaging: "For Super Players".