Intelligent Systems Co., Ltd. is a Japanese video game developer best known for developing games published by Nintendo with the Fire Emblem, Paper Mario, WarioWare, and Wars video game series. Originally, the company was headquartered at the Nintendo Kyoto Research Center in Higashiyama-ku, Kyoto, but later moved to a building near Nintendo's main headquarters in October 2013. They were also responsible for the creation of various development hardware both first and 3rd party developers would use to make games for Nintendo systems, such as the IS Nitro Emulator, the official development kit for the Nintendo DS.