Lost in Blue is a Nintendo DS video game which is a continuation of Konami's Survival Kids series. Lost in Blue makes extensive use of the system's touchscreen and microphone features as two young teenagers, Keith and Skye, struggle for survival in a deserted island. The player will have to learn to use the island's natural resources to create a makeshift home away from home. The sequel, Lost in Blue 2, was released two years later. A third installment of the series, Lost in Blue 3, was released on December 20, 2007 in Japan.
Due to an undershipment, the game was difficult to find in the months following its North American release.