The 12 greatest video game 'Easter eggs'

From hidden programmer credits to movie references and macabre jokes, developers have been stuffing their games with secrets for 30 yearsLegend has it that the 1979 Atari 2600 game, Adventure, was the first to include a hidden in-joke buried away in an obscure corner of the code. If players directed a grey dot into a hidden room they got to see the message “Created by Warren Robinett”, a self-referential protest by the game’s programmer who was annoyed at Atari for not crediting its staff.