Contra 4 (Europe) (Proto) is an action-packed side-scrolling platformer game released by Konami in 2007. It is the seventh installment in the Contra series and the first to be released on the Nintendo DS platform. The game was developed by WayForward Technologies and features classic Contra gameplay with an updated look and feel. The Japanese title of the game is Gunstar Super Heroes. In Contra 4, players take on the role of Bill Rizer and Lance Bean, two members of the elite Contra force. They must battle their way through a variety of levels filled with enemies and obstacles. Along the way, they must collect power-ups and weapons to help them in their mission. The game features two distinct modes: Story Mode, which follows the plot of the game, and Challenge Mode, which offers an assortment of levels for players to complete. Contra 4 features classic 2D visuals and fast-paced gameplay. The game also makes use of the DS's dual screen feature, allowing players to switch between two maps at any time. Additionally, the game supports up to four players via local wireless connection. Overall, Contra 4 (Europe) (Proto) is an action-packed side-scrolling platformer game that offers classic Contra gameplay with an updated look and feel. With its fast-paced gameplay, dual-screen features, and local multiplayer support, Contra 4 is sure to keep players on their toes. The Japanese title of the game is Gunstar Super Heroes.