1. Load Guitar Hero
2. Once the game starts up in Party Play, press Start to access
the Main menu
3. Scroll up/down and select "Options"
4. Scroll up/down and select "Input Cheats"
5. Use the colored buttons on the guitar or drum controllers to
enter cheat code

Here's the code: Blue Blue Green Green Red Green Red Yellow

6. After entering 8 colors, a message will confirm whether the
code is valid or not
7. When finished, press Start to return to the Options menu8.
Press Back (red button) to return to the Main menu