The game features a compelling storyline that sees the Battletoads team up with Billy and Jimmy Lee from Double Dragon to defeat the sinister Shadow Warriors and their leader, the Dark Queen. The narrative may not be groundbreaking, but it serves as a suitable backdrop for the high-octane gameplay that follows.

The graphics in Battletoads & Double Dragon NES are impressive for their time. The characters are well-detailed, and the environments are vibrant and varied. Each level showcases its own unique visual style, from the neon-lit streets of Double Dragon to the colorful, alien landscapes of the Battletoads. The smooth animations add a satisfying fluidity to the gameplay, enhancing the overall immersion.

One of the game's highlights is its diverse and challenging gameplay mechanics. Players can choose to control any of the five available characters, each with their own strengths and abilities. The Battletoads exhibit their signature brawling moves and transformations, while the Lee brothers bring their martial arts skills to the table. This variety adds depth and replayability to the game, as different characters offer unique playstyles.

The gameplay itself is fast-paced and action-packed. Players will find themselves engaged in intense beat 'em up sequences, taking on hordes of enemies using an assortment of punches, kicks, and special attacks. The controls are responsive and intuitive, although some may find the difficulty level to be quite high, especially during the later stages. Co-op mode is available, allowing players to team up with a friend for an even more enjoyable experience.

While the game excels in many aspects, it does suffer from a few minor drawbacks. The difficulty spikes mentioned earlier can occasionally feel unfair, resulting in frustrating moments that may test the patience of players. Additionally, the lack of a save feature forces players to rely on passwords to continue progress, which can be cumbersome.