Big Deal, The (Europe) (ナゾの大当たり, Nazo no Ōatari in Japan) is a Nintendo DS game developed by Sega and released in 2007. It is a gambling-themed game that lets players take a virtual trip to Las Vegas. Players can bet virtual money on a variety of casino games, including Poker, Roulette, Slots, Blackjack, Baccarat, and Craps. The game features a wide range of casino environments, from classic Las Vegas to modern-day, high-tech casinos. Players can also customize their avatars, with a variety of clothing and accessories to choose from. The game also features a variety of mini-games, including a card-matching game and a dice-rolling game. Big Deal, The (Europe) is a fun and interactive way to experience the thrills and excitement of Las Vegas, without ever leaving your home.