Call of Duty: Modern Warfare 3 - Defiance (コールオブデューティモダン・ウォーフェア3 ディファイアンス) is a Nintendo DS game developed by n-Space and published by Activision in 2011. It is the fourth installment in the Call of Duty: Modern Warfare franchise and is the first title in the series to be released on the Nintendo DS platform. The game is set in the same timeline as the other Modern Warfare titles, with players taking the role of a soldier in the US Marine Corps. Players are tasked with completing various missions, such as defending a base from enemy attack, rescuing hostages, and destroying enemy strongholds. The game features both single-player and multiplayer modes, with up to four players competing in a variety of online and offline game types. In addition to the standard weapons and equipment, players can also use vehicles such as tanks, helicopters, and boats in order to complete their objectives. The game also offers an array of customization options, allowing players to customize their character's appearance and equipment. Call of Duty: Modern Warfare 3 - Defiance is a fast-paced and action-packed shooter that is sure to provide hours of intense entertainment.