For Mario Kart Wii , a "highly compressed" version usually implies that the game has been stripped of extraneous data to make it downloadable for those with poor internet connections, primarily for play on the Dolphin Emulator.
But can you compress a 4.4 GB game down to 500 MB or 1 GB without destroying the famous gameplay? Is it legal? And most importantly, does it still run smoothly ? Mario Kart Wii Highly Compressed
If you are looking for a smaller file size without ruining the game, you don't need a sketchy "highly compressed" download from a random forum. You need the RVZ format. For Mario Kart Wii , a "highly compressed"