[bfuller]

It is a now pretty much dead fleshed out version of this. You can play all the features you mentioned of the game for free. Anything you can officially pay for is cosmetic, like clothing for your pet.

There are also entire off site communities dedicated towards selling items and neopoints

the site was bought from its founders by Viacom for 100m

I used to trade digital assets on games like this exactly like people trade crypto currencies today.

Both the interest in having a digital collectible and using electronic points as a store of value