Neopets

Neopets is a pet simulation set in the fantasy world of Neopia. The game's core revolves around adopting and caring for up to six of the eponymous creatures. Pets can be fed, played with, given medicine when ill, and trained for battle, just to name a few basic activities. In order to customize a pet and make it truly unique, its owner may use special items to change its species and color, give it a Petpet, and equip it with various clothing items. None of these activities are mandatory, though some site features may be closed off until the player has done them. If a user decides they no longer want one of their pets, they can either leave it in a special adoption area for others to claim, or send it to a specific user.

Items are purchased through one of two currencies. Neopoints are the standard currency, and can be earned through random events, daily freebies, quests, and playing the other games hosted on the site. Neocash is the site's premium currency; chances to earn it in-game are slim, so the most convenient way to get some is to buy it with real money. Items can be bought, sold, and traded between users through a variety of methods. Many items have little to no practical purpose outside of being collectibles, and can be displayed to other users by adding them to a personal album or item gallery.

Neopia hosts a wide variety of towns and biomes, all of which can be explored from the world map. Each area has its own theme (medieval, tropical, prehistoric, etc.) and is home to its own shops and special activities. Occasionally, limited-time sitewide events take place, usually to either reveal a new world or feature, or enact permanent, large-scale changes to an existing one. These events typically have adventure game elements such as puzzle solving and point-and-click sequences. Other activities in a similar style exist as permanent site features that award items to participants.