Great stuff
works really well. doesn't smell, or get all stuck in their paws, and most of all it's so much healthier for all of us to breathe.

World's Best Litter Lives Up to The Hype
I like that this litter is organic and has a nice corn smell to it. It does a great job of controlling smell and clumps without falling apart. The only downside is that because its made from corn the price of this product will probably continue to increase do to the ethanol debacle in this country.

Amazing, I'll never buy another litter again
My cat thought this was weird at first (I didn't mix her old litter with it, just switched over all at once); she sniffed it for a while before getting used to it, but caught on later in the day. I absolutely love it, there's NO dust at all, it clumps great and the best thing is that the grain size is large enough that any clump, no matter how tiny, can easily be sifted out. I always had a problem with name brand cat litters (arm & hammer, tidy cats, fresh step etc) where if a little piece of a clump broke off, it couldn't be sifted out and just stayed in the litter. But with this litter I can get every bit out, leaving the box very clean, which I feel great about. I also love that it can be flushed - couldn't be easier to deal with. And the smell is great, it's not chemical in the least nor does it smell like it has a deodorizing agent; it just smells faintly of corn, with no trace of cat odors. This cat litter is seriously better than I ever dreamed it could be - and I'm not exaggerating either. I will buy it for as long as I have a cat and recommend it to every cat lover I know, especially since it ships free from Amazon.com - THANK YOU!!

Functional, but smelly
When I first opened the bag, I noticed that the litter had a very peculiar smell. It wasn't unpleasant at first, but now that it has been in use for a few weeks it smells horrible.

There are many good things about the litter: my cat seems to enjoy it, it clumps well, it is flushable, it contains no silica dust, it is not made from strip-mined clay, etc.

However, it just smells bad. Very bad.

Didn't work for me.
This brand gets such rave reviews and recommendations I had to give it a try, especially after noticing my poor kitties were sneezing a lot from the dust in their supermarket clumping litter. Well, I was glad to see the end of the bag.
The biggest problem I had with it was the lack of odor control, probably due to the fact that it's corn-based. After a couple of days it smells like flour soaked with vinegar gone rancid, and I scoop three times a day. I tried adding Arm & Hammer odor control powder, and it helped a little, but did not completely eliminate the smell.

Another problem is that because it's very lightweight, it tends to fly around and track much more than ordinary litter.

On the positive side, it is completely dust free.

I don't think "World's Best" is a bad product. Certainly many people, including some "cat people" I know at work, swear by it. I just wanted to point out that it wasn't "the best" for everybody. I am currently using Dr. Elsey's Precious Cat Ultra Clumping Cat Litter which is completely dust free, tracks much less and has excellent odor control. It's heavier to lug around, and it may not be as ecological, but it works better for my cats.