NFL 2K is an American football video game series developed by Visual Concepts and published by Sega. The series was originally exclusive to Sega's Dreamcast video game console due to the absence of EA Sports's Madden NFL series on the system. As the foremost "2K" title, it marked the beginning of a running athletics series that eventually led to the spinning off of 2K's sports publishing business under the name of 2K Sports. Upon the Dreamcast's discontinuation, the series continued to be published for other sixth generation game systems and became the chief competitor of the Madden series. After the competitively priced NFL 2K5 significantly reduced sales of that year's Madden release, EA signed an exclusivity deal with the NFL that made Madden NFL the only series allowed to use NFL team and player names. In 2020, 2K announced the NFL 2K series will return in 2021 as an arcade video game. In May 2021 2K announced that the game had been delayed until March 2022. Games NFL 2K The series was introduced by Sega to address EA Sports's decision not to publish games, including the Madden NFL series, for the Dreamcast. The first installment, NFL 2K, was released exclusively for the system, in time for its September 9, 1999 launch in North America. All 31 NFL teams were included in the game (including the returning Browns) along with alumni teams, and All-Pro teams for the AFC, NFC, and NFL. The game received positive reception upon its release, with praises for its visuals, presentation, and overall gameplay. NFL 2K1 A sequel, NFL 2K1, was released for the Dreamcast on September 7, 2000 to critical acclaim. Improvements over its predecessor include a significant amount of new player animations, larger play-books, improved AI, and tweaks to the running game, the passing game, and defense. 2K1 also introduced a multi-season franchise mode and online play. NFL 2K2 With the demise of the Dreamcast, the NFL 2K series was re-positioned as the main multi-platform rival to the Madden NFL series. NFL 2K2, the third installment, was released on September 19, 2001, for the Dreamcast. PlayStation 2 and Xbox versions of the game were later released with enhanced graphics. Reception for the game was positive, with critics noting improved AI, enhancements to the passing game, and new player animations. However, the franchise mode was criticized for lacking depth, as it remained nearly unchanged from 2K1.