Neopets

Neopets is a web-based virtual pet game. The game features its own currency of NeoPoints (NP) to buy pets or items for pets which are awarded for participating on the sites games and features. Recently, it has also added items for NeoCash, which is purchased.

Gameplay
Neopets is based around the virtual pets that inhabit the virtual world of Neopia. Visitors can create an account and take care of up to four virtual pets, buying them food, toys, clothes, and other accessories using a virtual currency called Neopoints. Neopoints can be earned through playing games, investing in the game's stock market, trading, and winning contests. Users can explore the world of Neopia with their Neopets and interact with each other through the Neoboards, NeoMail, guilds, and Key Quest.