While playing the game, press Shift + F1 or – Tilde to display the console
window. Then, type one of the following codes and press [Enter] to activate
the corresponding cheat function. To list all the COMMANDs you can use,
open the console in-game and type in help.
Code - Effect:
Ohhappyday - Switching the time to morning
Fps - Show or Hide Current FPS
Clear - Clears Console Screen
Help - Shows Console Commands documentation.