Completely overhauled with 16-bit graphics and improved sound.
What is the "Super Mario All-Stars + Super Mario World" WAD? Super Mario All Stars - Super Mario World Wii Wad
For the uninitiated: a WAD is a packaged channel file used on the Wii. Installing one (via homebrew) places a fully functional, bootable game icon directly onto the Wii’s System Menu. And in the late 2000s and early 2010s, a particular ROM hack of the Wii’s Virtual Console—the Japanese-only release of Super Mario Collection (which included SMW)—was repackaged into English, rebuilt, and redistributed as a single, seamless WAD. Installing one (via homebrew) places a fully functional,
The "Plus World" version of Super Mario World features minor graphical updates, such as a unique sprite for Luigi that differentiates him from Mario (rather than just being a palette swap). You don’t have to switch between different channels
You don’t have to switch between different channels to play Mario 3 and Mario World .