Complex sentence: Namco had already released an analog controller for PlayStation called NeGcon; the analog mode established with the Dual Analog Controller was not compatible with the NeGcon-enabled analog control features of games such as "WipEout" and "Ridge Racer".
Split into simpler sentences: Namco had already released an analog controller for PlayStation called NeGcon. Sony's Dual Analog Controller's analog mode was not compatible with the NeGcon-compatible games such as "WipEout" and "Ridge Racer".