Для активации cheat code ( чит кодов ) в игре Angry Video Game Nerd Adventures следует выполнить:

Enter the following codes before the 'title' screen appears to enable the corresponding effect.

Unlock Hedgehog Mode (Run Fast)
Press Up, Down, Left, Right, A(Jump)
Unlock Big Head Mode:
Press A(Jump), B(Fire), A(Jump), Y, A(Jump), B(Fire), B(Fire)
Unlock Blue Screen Of Nerd:
Press Up, Up, Down, Down, Left, Right, Left, Right, B(fire), A(jump)