Golden Egg is a beta tool to edit Super Mario World 2 - Yoshi's Island. It was developed by Romi and released in 13th November 2010. Note that still being in a beta status, it's still better than its predecessor: EggVine, that's why it's considered the standard tool to edit the game.
- Level Editor
- Header Properties (Tilesets, Music, Level Mode, Animation, BG Scrolling Rate and Item Memory)
Bugs and Glitches
Main Article: List of Golden Egg Bugs and Glitches