Double Sequence - The Q-Virus Invasion (Europe) (En,Fr,De,Es,It) (Japanese: ダブルシーケンスQウイルス侵略) is an action-adventure game developed by Nintendo and released exclusively for the Nintendo DS in Europe in 2008. The game follows the story of the Q-Virus, an alien virus that has been infecting the planet. Players take on the role of a special agent who must explore the environment and solve puzzles in order to find a way to stop the virus. Players will explore various environments, such as an abandoned city and a mysterious underground lab, as they attempt to find the source of the virus. Along the way, they must collect items, solve puzzles, and battle enemies. The game also features minigames and puzzles, as well as a soundtrack composed by renowned Japanese composer Yuzo Koshiro. The game features an overhead view, allowing players to explore the environment and view the action from multiple angles. The game also utilizes the Nintendo DS' touch screen to interact with the environment and solve puzzles. Double Sequence - The Q-Virus Invasion (Europe) (En,Fr,De,Es,It) offers an engaging and immersive experience, with a unique story and puzzles to challenge even the most experienced players. With its unique visuals and engaging soundtrack, this game is sure to keep players entertained for hours.