Tactics is a Japanese visual novel studio which specializes in the development of dating sim and eroge style games. Tactics is actually a branch of the joint company Nexton. Their debut release was a game entitled Dōsei in mid-1997, followed by Moon. in the same year, and One: Kagayaku Kisetsu e in 1998. The last two games were met with much praise from the Japanese community. While the studio was still in its early years, the core team of both Moon and One broke off and began their own company, Key, in 1999. Tactics continued to release games despite this sudden change in staff.