A Rom Hack of the 8-bit version of Sonic the Hedgehog for the Sega Master System that adds new levels and lets you play as Boxguy, features custom levels, graphical changes among other things.
It's been 6 months since Alex defeated Janken the Great and reclaimed 'The Crown'. Alex's brother Egle has taken the throne and oversees the city of Radaxian. There is still unrest on the planet Aries however, as monsters continue to roam the land. Alex is still greatly concerned by the whereabouts of his missing father. Radaxian's forces have been unable to locate King Thunder, so Alex sets off himself to find him. He retraces his steps and returns to the place where the trail was lost. Perhaps there was something he missed?
Alex must further explore the Miracle World, traverse dangerous lands and use the art of Shellcore to defeat his enemies. He once again has his motorcycle and peticopter to help him get around but now he also has a plane to fly him across treacherous waters.
Experience even more action in Alex's greatest adventure yet. Once again, it takes a Kidd like you to handle this even greater challenge.
In September 1992, a port of Tintin on the Moon for the Sega Master System was set to release, however due to quality concerns relating to the port the game was delayed to a January 1993 release before being cancelled.