Yes, technically. You are circumventing DRM. However, the DMCA exemption for "abandoned software" (where the copyright holder no longer sells or supports the product and activation servers are dead) has a strong ethical argument. Reflexive Entertainment as a game developer no longer exists. The parent company, Reflexive, Inc., now focuses on mobile gambling apps (ironic, given the coin-op arcade roots). You cannot buy Big Kahuna Reef 2 anywhere legitimately.
The Digital Ghost of Reflexive Arcade: Preservation, DRM, and the Quest for the "Universal Keygen" universal keygen for reflexive arcade games fixed
This essay explores the history, impact, and preservation efforts surrounding the "Reflexive Arcade" library and its notorious Digital Rights Management (DRM) systems. Yes, technically
the final 20-byte structure → registration key format: XXXXX-XXXXX-XXXXX-XXXXX technically. You are circumventing DRM. However