D4 Enterprise, Inc.

D4 Enterprise is a Tokyo-based publisher and digital-preservation company founded on March 3, 2004 and led by representative director Naoto Suzuki. Originating around the Project EGG revival initiative, it specializes in republishing and distributing legacy Japanese and arcade-era software for modern platforms. Its catalogue and distribution credits include many Neo·Geo and arcade-era fighting and action releases — titles such as Waku Waku 7, World Heroes entries and several Neo·Geo ports appear under D4 Enterprise’s distribution listings — and the company operates services and releases that target retro-game preservation and reissues. The game entries below, including versions and later rereleases grouped in this archive, span systems such as Nintendo Switch, Wii, Arcade, PlayStation 4, Xbox One, Neo Geo, Windows, Neo Geo CD, PlayStation 3, and PSP.