Teenage Mutant Ninja Turtles 2: Battle Nexus is a video game of the top-down beat 'em up genre released in 2004 by Konami. The GBA version is more of a Side-scrolling PlatformerShoot'em up action game. The game is a sequel to the previous year's TMNT game and is based on the 2003 TV series. br br The game offers cell-shaded graphics, four-player option and has the classic arcade game of Teenage Mutant Ninja Turtles as an unlockable. Leonardo, Donatello, Raphael, and Michelangelo are playable from the beginning, while Karai, Slashuur, Splinter, and Casey Jones can be unlocked. br br Battle Nexus received a mostly critical reception, getting a 1.55 score from GameSpy and 610 from IGN. Reviewers complained of repetitive gameplay, poor controls and terrible AI.