Contra 2006 is an unofficial fan-made modification of the classic Contra series, developed and translated into Chinese by domestic hobbyist teams to deliver a fresh experience. The game retains the core gameplay of the original Contra, including side-scrolling shooting, two-player co-op, and a varied weapon system. Players once again take on the roles of elite soldiers Bill and Lance, fighting through enemy lines to take out alien creatures and hostile troops and ultimately destroy the enemy base. The stages feature redesigned layouts, new environments, and fresh enemy types that raise the challenge and excitement. Graphics and sound have also been optimized for smoother, more vivid presentation on the Game Boy. As an unofficial release, Contra 2006 may differ from the original in places, so players should keep an open mind when giving it a try.