Another US release of Side Arms - Hyper Dyne, this version was released on 1986-12-02. Understanding the differences between this and the earlier US release (861128) will require deeper investigation. The game’s development and distribution history would need to be explored through various archives and industry records to identify the developer(s) and release information.

Side Arms - Hyper Dyne (US, 861202)

Shot Rider (Sigma license)