Finding the Matrix 11 Train Door code in Stellar Blade will put you through a rather satisfying little puzzle. After fighting for your life against a Stalker Naytiba, it's a nice change of pace.

Perhaps a combination of IR reflective and absorbing material could make large codes without being visible to the human eye. How would you make a machine-washable, machine-readable visual code?

FANS of The Matrix may have theories as to what the scrawling green code featured in the sci-fi epic means – and now the movie’s production designer has revealed the surprising truth. T… ...

Simon Whiteley, the film's designer behind the code, reportedly scanned the characters from his wife's Japanese cookbooks to create the design.