NBA 2K11 is a basketball simulation video game for the Microsoft Xbox 360, part of the NBA 2K series. Published by 2K Sports and released in 2010, the game features improved gameplay mechanics and graphics from its predecessors. Its centerpiece is the Jordan Challenge, where players relive iconic moments from Michael Jordan's career. With detailed player models and realistic court action, it offers various modes, including franchise, multiplayer, and customization options. NBA 2K11's genre is 'Sports', and it's highly praised for its depth and authenticity to the basketball experience.