Weapons and items
Press ~ to display the console, then type give
- using the following information.
Fun kill
Enable the give all code. Go to any level and get all the enemies to follow you. Run into a corner with them in front of you. Press [Tab] button until you see "AD bomb" or something similar, then press [Enter]. All the enemies must be in front of you. This will freeze all the enemies and allow you to walk around with no problems. 
