[3] Tose was established in November 1979 in Higashiyama-ku, Kyoto, as an independent entity from Toa Seiko Co. Ltd.

In May 1990, Tose began developing software for the Game Boy and the Super Famicom.

On 18 December 2007, Tose announced the leakage of its business information onto the Internet, which was discovered the day before.

[6] In July 2024, it was reported that Tose was experiencing financial hardship due to a number of cancelled games from partners including Square Enix and Bandai Namco.

[7] NOTE: Titles released before the official website was created must be verified with information compiled by various amateur and professional journalists.