Founded in 1986 by former Nintendo employees, Intelligent Systems began by porting arcade games and developing hardware tools for the NES. They became a key second-party developer for Nintendo, creating acclaimed tactical RPG and strategy franchises. The studio is highly regarded for its work on the Fire Emblem and Wars series, as well as the Paper Mario and WarioWare franchises.
During the late 1980s and early 1990s, the studio established its development capabilities through a diverse range of software. Early projects included the strategy title
Famicom Wars (1988) and the mahjong game
Yakuman (1989) for the Game Boy. The company also contributed to sports titles, developing
Baseball (1989) for the Game Boy and
Baseball (1990) for the Family Computer.
The release of
Fire Emblem: Ankoku Ryu to Hikari no Tsurugi (1990) on the Famicom defined the tactical role-playing genre in Japan, introducing permanent character death and grid-based movement. This was followed by programming assistance for the Super Nintendo Entertainment System version of
SimCity (1991), as well as the handheld strategy sequel
Game Boy Wars (1991). These early titles solidified the developer's reputation for complex simulation mechanics and grid-based tactical gameplay, laying the groundwork for decades of subsequent software design.