Resident Evil 4: Remake's demo has a secret cheat code that lets players unlock the demo-exclusive brutal Mad Chainsaw difficulty.
As shown by Jigzaw Killer on YouTube, players must go to the main menu in the demo with the “Main Story” choice highlighted. Then, hold L1 and R1 and press up, left, down, right, Square, Triangle, Circle, X, X on PlayStation, or hold LB and RB and press up, left, down, right, X, Y, B, A, A on Xbox. This will bring up the option to select Mad Chainsaw difficulty mode for the playthrough.
Before this cheat was discovered, Mad Chainsaw difficulty only appeared to unlock by chance, as the game would said: “You must wait until Mad Chainsaw Mode is triggered again for subsequent attempts.” This difficulty...