The hack is mostly themed about Super Mario Galaxy 1 & 2 for the Wii. The hack includes music, backgrounds and tiles from the games.
These are the backgrounds:
- Cave (in space)
- Dark Clouds (Night)
- Cave 2 (in space)
- Castle in clouds
- Super Mario Flash Galaxy was Axew14's first SMF1 hack
- Super Mario Flash Galaxy also features a new character sprited by himself
Super Mario Flash Galaxy on Axew14's website.