Sega AM1

Sega AM Research & Development No. 1

R&D1 logo
Native name	セガ第一AM研究開発本部
Romanized name	Sega Daiichi Ē Emu Kenkyū Kaihatsu Bu
Formerly	Wow Entertainment Sega Wow, Inc.
Company type	Division
Industry	Video games
Headquarters	Japan
Key people	Rikiya Nakagawa Noriyoshi Ohba Kazunori Tsukamoto
Products	Arcade games, video games, mobile games
Parent	Sega

Sega AM Research & Development No. 1^[a] is a development department within Japanese video game developer Sega that also previously existed as Wow Entertainment and Sega Wow Inc.^[b] AM1 spent most of its early existence under the leadership of Rikiya Nakagawa and developed a number of arcade games for Sega.

In 2000, Sega split its development studios into nine semi-autonomous companies, with AM1 becoming Wow Entertainment. Wow developed games for the Dreamcast and later other consoles as well as arcade games. In 2003, as part of studio consolidations within Sega, Wow was merged with Overworks Ltd.^[c] (originally titled Sega CS Research & Development No. 2^[d] and later AM7) and renamed to Sega Wow. Nakagawa resigned a few weeks later after Sammy Corporation acquired a significant amount of shares in Sega. Sega Wow was re-integrated back into the company the next year. Since then, the AM1 division has continued within Sega.
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