If you want to play Super Mario Galaxy 2 today, there are several official and community-accepted methods:
Use your retail disc of Super Mario Galaxy 2 to create a WBFS file.
(internal operating system files) What Format Does Super Mario Galaxy 2 Use?
Nintendo tightly protects its intellectual property. Downloading copyrighted game files (ISOs, WBFS, or injected WADs) that you do not own from third-party repositories violates copyright laws in many jurisdictions.
Dolphin allows you to run Super Mario Galaxy 2 in beautiful 1080p, 4K, or higher resolutions, completely transforming the visual experience compared to the original 480i output of the Wii.
Many websites promising free game downloads pack their files with executable malware. If you download a file meant to be a game and it ends with .exe , .msi , or .bat , . A Wii game file will never be an standard Windows executable file. 2. Adware and Malicious Redirects
—a proprietary Nintendo title—is considered (piracy). While "WAD" files are commonly used for Wii homebrew and system updates, a WAD containing a full commercial game is an unauthorized copy of copyrighted material. 1. Legal Status
, and the safety and legal considerations for Nintendo Wii enthusiasts. Overview of Super Mario Galaxy 2 Formats Super Mario Galaxy 2