6×1 Unlimited is a Shoot Em Up game developed and published by A+ Games for the Nintendo 3DS. It was released exclusively in Japan on January 07, 2015. Fusion of omnidirectional shooting game and adventure game. You control 6 types of anti-virus bullets and protect Japan’s electric virtual space (commonly known as electric range) from the approaching hostile virus. Each of the six types of anti-virus bullets is managed by six artificial intelligence girls, and as you progress through the stages, your relationship with them will become closer.