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The boy's answer to Tamagotchi, and somehow more addictive: a digital monster you didn't just keep alive, you trained to fight. Snap your device to a friend's, and both creatures would duel on screen, their fate determined by every decision you'd made. The winning evolution wasn't the prettiest — it was the strongest.
A furry owl-hamster gremlin that spoke gibberish and slowly "learned" English, making it feel genuinely alive. Tiger Electronics' Furby became the holiday craze of 1998—resale prices hit $100, and the NSA banned it from its offices out of sheer paranoia.
The keychain virtual pet you fed, cleaned, and played with between classes — America's answer to the Tamagotchi craze. Neglect it and it got sick; ignore it too long and it died right there in your backpack.
The website where you could adopt a digital pet, battle it in the Battledome, and waste hours playing Flash mini-games to earn Neopoints. Launched by UK students Adam Powell and Donna Williams in 1999, Neopets became a certified after-school phenomenon, drawing tens of millions of users at its mid-2000s peak.
You pet the puppy with the stylus, you called its name into the microphone, and it learned to sit — Nintendogs made grown adults coo at a plastic clamshell on the bus. The virtual puppy that sold the Nintendo DS to everyone's mom ended up one of the best-selling games ever made.
The egg-shaped digital pet that lived on a keychain and died if you ignored it during math class. Bandai's Tamagotchi demanded constant feeding, cleaning, and attention, sparking a global craze — and a wave of school bans.
Adorable plush animals from Canadian maker Ganz that came with a Secret Code—enter it online, and a virtual version appeared in Webkinz World, your own customizable digital space. Feed it, play mini-games, decorate its room, and if you neglected it too long, it'd get cranky. The plush-plus-online hook made Webkinz a mid-to-late 2000s obsession, especially among kids who'd aged out of Tamagotchis but weren't ready to leave their digital pets behind.