Fatality and no Hara-kiri in contrast to other characters, most likely because that was all they had in Deadly Alliance. Exclusive to the Unchained version is the Endurance mode, where players can compete against a constant wave of opponents. The system's wireless ad hoc network functionality can be used for multiplayer games. Characters who remain hidden in the other versions appear unlocked by default in Unchained; producer Shaun Himmerick explained that the staff wanted to show players characters that were difficult to obtain in Deception, such as Liu Kang. Although Midway did not develop the game, they helped Just Games Interactives optimize their code and the Wi-Fi feature, as they wanted to keep the frame rate very high. Reception During its release week, Mortal Kombat: Deception shipped one million units, surpassing sales of the previous MK title and becoming the fastest-selling game in Midway's history. A year later, the game had shipped 1.9 million units worldwide. Prior to the game's release, GameSpot named it the best fighting game of E3 2004. It was also the winner of the 2004 GameSpot Top Spike TV Video Game Awards in the category of best fighting game. In GameSpot's Best and Worst of 2004, Deception received the award for best fighting game. The PlayStation 2 version was a runner-up in IGN's PS2 Best of 2004 Awards in the best fighting game category, and won the Readers' Choice. On February 1, 2005, Deception received the fighting game of the year award at the 8th Annual Interactive Achievements Awards. Deception was nominated for the "Game…Sequel Fighting" award by the National Academy of Video Game Trade Reviewers, but lost to Dead or Alive Ultimate. In the Guinness World Records Gamer's Edition 2015 Ebook, the game was recognized for being the first fighting game to be given an online mode. Reviews Metacritic had 81 favorable reviews out of 100 for both the PlayStation 2 and Xbox versions; the GameCube version received 77 favorable reviews. It won GameSpot's 2004 "Best Fighting Game" award. Louis Bedigian of GameZone praised the interaction with stages as one of the best parts of the game, commenting that it adds more strategy to the combat. He praised the return of "classic characters", commenting on their new designs and how different their attacks are. Jeremy Dunham of IGN wrote that it was the best game of the Mortal Kombat series. He also stated that the