Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "config.ini" file in the game folder. Locate the "variables" section in the file and add the following new lines:
g_default_language english
g_force_language english
g_developer 1
sv_cheats 1
g_startupplaylist ()
Locate the "key bindings" section in the file and add the following new line:
bindc+DIK_GRAVE(console_showhide)
While playing the game, press ~ to display the console window. Type "sv_cheats 1" to activate cheat mode. Then, enter one of the following codes to activate the corresponding cheat function: