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Sega AM1

From Alfawiki
Wow Entertainment
Company typeSubsidiary
IndustryVideo games
Founded2000; 26 years ago (2000)
FounderRikiya Nakagawa
Defunct2004 (2004)
FateMerged with Overworks to form Sega Wow; later reintegrated into Sega
Headquarters
Shibuya, Tokyo
,
Japan
Key people
Rikiya Nakagawa (founder and initial manager), Kazunori Tsukamoto (president of Sega Wow)
Number of employees
120 (at founding), 215 (at merger in 2004)

is a development branch within the Japanese video game corporation Sega Corporation, formerly known as Wow Entertainment and . Initially managed by Rikiya Nakagawa, AM1 was responsible for creating numerous arcade titles for Sega.

In 2000, Sega restructured its internal studios into nine semi-independent entities, resulting in AM1's transformation into Wow Entertainment. This studio developed games for the Dreamcast, various home consoles, and arcade machines. By 2003, Sega merged Wow with (previously AM7), forming Sega Wow. Shortly after Sammy Corporation acquired a substantial stake in Sega, Nakagawa resigned. The following year, Sega Wow was absorbed back into Sega, with AM1 continuing as an internal division.

History

Rikiya Nakagawa began his career at Sega in 1983, programming arcade games such as Hang-On, Ninja Princess, and Alien Syndrome. After the release of Power Drift, Sega divided its amusement division into several AM teams, leading to the establishment of AM1. Nakagawa took on the role of AM1 manager in September 1991, transitioning from programming to overseeing production and management.[1] The team included key members from Team Shinobi and Makoto Uchida, renowned for his work on Golden Axe and Altered Beast.[2]

AM1 made significant technological strides with the introduction of 3D graphics in 1994’s Wing War, which was also featured on Sega’s R360 arcade cabinet.[1] Nakagawa identified Indy 500 as a critical project that enabled AM1 to develop 3D capabilities. Subsequent releases included WaveRunner, The House of the Dead, and a collaborative effort with Sega Technical Institute on Die Hard Arcade.[3] The division additionally contributed to the technical development of the NAOMI arcade system board.[4] Other prominent titles from AM1 include Sega Bass Fishing and Wild Riders.[5]

In April 2000,[6] Sega reorganized into nine semi-autonomous studios led by top designers; Nakagawa named his studio Wow Entertainment to ensure global appeal and easy pronunciation in Japanese. At inception, Wow employed approximately 120 staff members distributed across 12-13 production lines, including one located in the United States. While historically focused on arcades, Wow expanded into console game development and collaborated with Nihon Television and Kodansha on various projects.[4]

Based in Shibuya, Tokyo,[5][6] Wow produced titles such as Sega Bass Fishing 2 for Dreamcast, Columns Crown for Game Boy Advance, and games for GameCube, Xbox, and PlayStation 2 platforms. Arcade releases included The House of the Dead III.[5]

In 2003, under Hisao Oguchi’s initiative to consolidate studios, Wow merged with Overworks (AM7), led by Noriyoshi Ohba, resulting in the formation of Sega Wow.[7][6] That same year, Sammy acquired a major stake in Sega and encouraged a shift toward arcade game development using Sammy’s Atomiswave hardware instead of Sega’s proprietary systems. Nakagawa resigned shortly after—likely due to strategic disagreements—and joined Sammy as general manager in early 2004.[8][9] Kazunori Tsukamoto succeeded him as president of Sega Wow.[10] Under Sega Wow’s banner, titles such as Finny the Fish & the Seven Waters, Blood Will Tell, and the 2005 reboot of Altered Beast were developed.[11]

By mid-2004, Sammy had gained controlling interest in Sega through a $1.1 billion acquisition, forming Sega Sammy Holdings.[12] Prior to this merger’s completion in October 2004,[13] Sega began reintegrating its subsidiaries; this process concluded with Sega Wow’s workforce of 215 employees being reassigned between consumer and arcade development teams.[14]

Following reintegration, AM1 has remained active within Sega producing smartphone titles like Chain Chronicle[15] alongside arcade games such as Maimai, Initial D Arcade Stage 8 Infinity, and Puyopuyo!! Quest Arcade. The division also developed medal games including Fist of the North Star: Battle Medal and Starhorse III,[16] as well as digital collectible card games like Sangokushi Taisen. In 2013, AM1 was recognized as Sega’s most diverse division encompassing arcade video games, mobile applications, children’s games, medal games, simulators, and specialized products like the interactive urinal known as the Sega Toylet.[17] Yasuhiro Nishiyama led AM1 from the late 2000s through the mid-2010s; he joined in 1997 contributing to Dreamcast hardware development before departing in 2024 to establish Sugorocks focusing on Web3 technologies, artificial intelligence, and blockchain initiatives.[18][19]

Overworks

Overworks was a development team within Sega, initially established as CS Research and Development #2. Under the leadership of Noriyoshi Ohba—who began his tenure in Sega's CS2 division as a planner on projects such as Wonder Boy in Monster Land and Clockwork Knight—the group featured prominent creators including Rieko Kodama. This division brought together talent responsible for franchises like Shinobi, Streets of Rage, Phantasy Star, and Alex Kidd. CS2 R&D played a role in producing Sega Saturn titles like Sakura Wars, Deep Fear, and J-League Pro Soccer. The team later became known as R&D #7 or AM7 before adopting the name Overworks—a contraction of "Over Quality Works"—under Ohba’s guidance.

As Overworks, the studio developed several Dreamcast games including Skies of Arcadia, Sakura Wars 3: Is Paris Burning?, and GuruGuru Onsen, along with the arcade title Dragon Treasure. After the Dreamcast was discontinued, Overworks released Sakura Wars 4: Fall in Love, Maidens and a new entry in the Shinobi series prior to its integration into Wow Entertainment. Ohba later advanced to become vice president at Wow Entertainment before departing Sega in 2004 to join Interchannel.

By 2010, the CS2 label had been reassigned to Sonic Team. The developers behind Guru Guru Onsen and Dragon Treasure transitioned to AM1, where they worked on Sangokushi Taisen, while members from the Skies of Arcadia development team contributed to titles such as Valkyria Chronicles and 7th Dragon.

See also

External links

  1. ↑ 1.0 1.1 Cite error: Invalid <ref> tag; no text was provided for refs named :2
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  19. ↑ Lua error in Module:Citation/CS1/Configuration at line 2123: attempt to index field '?' (a nil value).
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