Start the game with the "-devmode" command line parameter. Then while playing the game, press ~ to display the console window. Type one of the following codes and press [Enter] to activate the corresponding cheat function:
At the main menu, select the "Extras" option. Choose the "Bonus Content" option, then enter one of the following codes to activate the corresponding cheat function:
Urban Combat single player level
Enter "sp-street" as a code to unlock the Urban Combat single player level.Village Assault single player level
Enter "sp-village" as a code to unlock the Village Assault single player level.