Added patch, to change the duration of oxygen underwater, also updated the screenshots, the update was still showing images that no longer represent the current state of the hack.
On the other hand, the changes in the ROM information had not been reflected either.
This patch improves the palette colos from all the stage and screens of the game without change it’s personalities too much. Some stages have more changes than others, while Special Stage remains almost unchanged.
ROM / ISO Information:
Database match: Sonic The Hedgehog (USA, Europe, Brazil)
Database: No-Intro: Master System (v. 20210216-223458)