SonED2 is a data editor supporting the 2D Sonic the Hedgehog series of games for the Sega Megadrive/Genesis and its accessory hardware, and any games that may share common data formats.
Currently, SonED2 officially supports the following game data:
- Sonic the Hedgehog -Tiles, Palettes, Level Layout, Object Layout, Special Stages
- Sonic the Hedgehog 2 -Tiles, Palettes, Level Layout, Object Layout
- Sonic the Hedgehog 3 -Tiles, Palettes, Level Layout, Object Layout, Bonus Stage
- Sonic & Knuckles -Tiles, Palettes, Level Layout, Object Layout, Bonus Stages
- Sonic the Hedgehog CD -Tiles, Palettes, Level Layout, Object Layout
- “Sonic Crackers” -Tiles, Palettes, Level Layout, Object Layout
- Knuckles’ Chaotix -Tiles, Palettes, Level Layout, Object Layout
Along with various powerful editing and accessory features, the utility also contains integrated ROMulan functionality for obtaining the game data, and re-integrating it after editing.
File download: