The corporate-backed social gaming specialist, backed by a host of Japanese corporates, had a market cap of more than $750m after its first day of trading.

Japan-based mobile game producer Gumi went public on the Tokyo Stock Exchange yesterday pricing its shares at ¥3,300 ($27.70) each.

The company had already raised at least $99m in venture capital from social network Gree, gaming companies Sega, Zynga and Tecmo Koei, mobile network NTT Docomo, industrial conglomerate Nissei, corporate venturing syndicate B Dash Ventures, advertising firm Adways, investment firm Jafco, financial services firms Shinsei Bank and Mitsubishi UFJ, World Innovation Lab and DBJ Capital.

Gumi, which was founded in…