: You must rely almost entirely on sound cues and minor visual sparks to navigate traps like saws and gravity shifts.
The PS3 version includes a hidden, ultra-difficult "Secret Level" that takes place in nearly total darkness. Limbo PS3
: In Chapter 26 (the "Alone in the Dark" section), instead of moving right, climb down the long ladder on the left into a pitch-black cave. : You must rely almost entirely on sound
: You must collect all 10 hidden white eggs scattered throughout the main chapters. instead of moving right