Instructions
Insert the Action Replay disc into the PlayStation 2 (PS2) console.
Press the reset button on the PS2. After a few seconds you should see a message saying "Insert Game Disc or DVD now."
Press the eject button on the PS2. Switch the "Ratchet &Clank: Going Commando" disc with the Action Replay disc and close the drive. Do not press the reset or power button at any point.
Select "Ratchet &Clank: Going Commando" from the expert mode game list. This prompt will come up automatically after you insert the disc. The code list for the game will appear.
Select "Add New Cheat" from the top of the code list.
Select a name for the code you are entering into the prompt. You can use a PS2 keyboard or the PS2 controller to select letters.
Enter the code and the new Action Replay cheat code will be added to the code menu for "Ratchet &Clank: Going Commando."