Another regional release of Zillion, this version for the USA on the Sega Master System differs from the European version 1.2 by offering a slightly altered version (1.1), likely with adjustments to localization and potential gameplay tweaks. These variations underscore the adaptation of games for specific regional audiences and how localization impacted the overall experience. The version number indicates its release cycle.

Zillion (USA) (v1.1)

Zaxxon 3-D (World)