objective in the NES version was changed from rescuing prisoners to destroying a secret weapon being developed in the enemy's headquarters. A two-player simultaneous cooperative mode was introduced. The gameplay mechanics are essentially identical to the arcade version; however, the Flamethrower is removed (only the Rocket Launcher and Grenades remain) and two new power-up items are introduced: a Star mark which grants invincibility and a pistol with unlimited ammo, both which are only usable for a limited period. The NES version features two additional stages that are not in the arcade game: an airport set between the Missile Base and the Harbor, where the player faces a group of rocket soldiers at the end; and a new final stage set inside the enemy's base that ends with the player using rocket launchers dropped by enemy soldiers to disarm a nuclear missile. The flamethrower corps at the end of the Warehouse stage was replaced by a paratrooper unit. The Famicom version has a few cosmetic differences with higher difficulty compared to its NES counterpart, along with underground areas in three of the levels. Accesed via destroying specific mines that reveal ladders to the floors below. Game Boy Advance A conversion of the arcade version of Rush'n Attack is included in the 2002 compilation Konami Collector's Series: Arcade Advanced for the Game Boy Advance. The game features the same four stages as in the arcade version, and two extra stages unlocked via the Konami Code. A two-player versus mode has been added, which utilizes the Game Link Cable. The A button jumps instead of the d-pad. Nintendo DS A second portable version is included in the 2007 compilation Konami Classics Series: Arcade Hits for the Nintendo DS. Unlike the GBA version, the DS version is a direct port of the original arcade game. However, it includes various bonus features such as scans of the instruction cards and leaflet, as well as tips. Xbox 360 Rush'n Attack was released on Xbox Live Arcade for the Xbox 360 on May 23, 2007. This version is another direct port of the arcade game, but features an optional game mode with improved graphics and a remixed soundtrack. This version was developed by Digital Eclipse. Konami Net DX Green Beret was released for smartphones in Japan in 2006. The mobile version is a direct port of the Famicom version with a new health bar. The mobile port