Nicktoons Unite! is a Game Boy Advance action-adventure game featuring a crossover lineup from Nickelodeon animated series. The game brings SpongeBob SquarePants, Danny Phantom, Timmy Turner, and Jimmy Neutron together in a single handheld adventure.

• Cleaned, tested, and guaranteed to play. Authentic cartridge.
• Action-adventure gameplay built around switching between recognizable Nicktoons heroes.
• Each character represents a different Nickelodeon series, giving the game a crossover structure rather than a single-show storyline.
• The GBA version presents the adventure in a portable 2D format suited to quick handheld play sessions.
• Published under the THQ label during the Game Boy Advance era of licensed Nickelodeon games.

This release is part of the larger Nicktoons crossover series, which continued with follow-up games built around team-ups between characters from different shows.