Shin Megami Tensei: Devil Survivor Overclocked (Japanese: 真・女神転生 DEVIL SURVIVOR OVERCLOCKED) is a tactical role-playing game developed by Atlus for the Nintendo 3DS. The game is an enhanced port of the 2009 Nintendo DS game Shin Megami Tensei: Devil Survivor. It features improved 3D graphics, full voice acting, and an additional 8th day scenario. The game follows the story of a group of high school students who find themselves in the midst of a demonic invasion of Tokyo. The player takes control of the protagonist and his friends, who must use their special powers to fight off the invading demons. The game features a turn-based tactical combat system and a demon-summoning mechanic. Players must strategically manage their party's resources and abilities in order to survive and progress through the story. The game features multiple endings, depending on the choices made by the player. The game also includes an online battle mode, in which players can battle each other with their teams of demons. Players can also trade demons and items with each other. Shin Megami Tensei: Devil Survivor Overclocked is an engaging game that combines strategic combat, demon-summoning, and an engaging story. It is an excellent game for fans of the Shin Megami Tensei series, as well as those looking for an engaging tactical RPG experience.