I just bought this game again a few months ago and I went to play it today but it isn't working! It says it can't read the disc so I tried another game and it worked fine. It's just animal crossing.

Oh, no! Try checking it for scratches and try cleaning off the spots. It may have fingerprints on it.

If it doesn't work, then buy another copy.

Ya, you're going to have buy a new copy of the game.
I had the same problem just before my Wii decided not to work anymore.

I had the same problem and I took it to a place where they fixed it up for me for 5$ and it works just fine. Look for a store near you that cleans discs.