Knights of Valour: Quan Huang San Guo Special, also titled Sangoku Senki: Quan Huang San Guo Special, presents an alternate version (303CN) of the game. The title suggests a focus on the Three Kingdoms period, which would likely be reflected in its characters, setting, and storyline.  Being an arcade game, the gameplay is likely action-oriented, likely incorporating fighting or strategy elements related to the Three Kingdoms setting.  More information about the specific developer and differences from other versions is needed.

Knights of Valour: Quan Huang San Guo Special / Sangoku Senki: Quan Huang San Guo Special (alt ver. 303CN)

Knights of Valour Superheroes / Sangoku Senki Superheroes (V103)