Super Mario Galaxy 2 is a 3D platformer developed and published by Nintendo for the Wii console. The game follows Mario as he attempts to rescue Princess Peach from the clutches of his arch-nemesis, Bowser. The game takes place in a variety of galaxies, each with its unique theme, power-ups, and challenges.

Select Zstandard (ZSTD) as your compression method. You can set the compression level between 1 and 22. A level of 5 to 10 offers an incredible balance of fast loading times and a small file footprint.

These formats analyze the game data to remove useless "padding" data—blank space that Nintendo added to the physical discs to assist the original Wii disc drive—while leaving the critical game assets completely untouched. Top Compressed Formats for Wii Emulation