This is a hacked version of Zero Wing for the Sega Genesis, specifically a text hack created by Vincent404 aiming for improved translation. It addresses some of the notorious localization issues present in the original game, potentially enhancing the gameplay experience for those familiar with the original's quirks.

Zero Wing (Europe) [Text Hack by Vincent404 v20010422] (Translation Fix)

Zero the Kamikaze Squirrel (USA)