This version of Battle City is a hacked ROM, modified by AnS. It is a variation of the original game, likely altering aspects such as gameplay, graphics, or the overall game experience. The use of the term "Binary City" suggests a potential change in game aesthetics or a significant modification to the original game's mechanics and style.  Specific details about the changes introduced require analysis of the hack itself and information from NES hacking communities.

Battle City (Japan) [Hack by AnS v0.999] (~Binary City)

Battle Baseball (Japan)