It's not even April 1 in my timezone and I'm already sick of April Fools' Day.
This year, our developers came up with a Tamagotchi-like game for our users to play. It's called StackEgg. Users vote on a Twitch Plays Pokémon sort of way. Each community owns their own pet site and work together to help it grow from private beta to public beta to graduation to "winning the internet". The idea was to give people an overly simplistic model of how Stack Exchange sites grow.
This is a companion discussion topic for the original entry at https://jlericson.com/2015/03/31/yolks_on_us.html