Why do developers put easter eggs in games?

Why do developers put easter eggs in games?

Harry Ravenswood (Lead Designer, Kuju Entertainment) gives expert video advice on: What is a developer and what do they do?; What are 'easter eggs'?; Why do developers put easter eggs in games? and more...

I think developers put Easter eggs into games just for fun. It's a nod and a wink to the fans; it's a nod and a wink to the players. An Easter egg is usually a little bit cheeky, but it's good fun and they're always meant in good humour.