Grid Runner
Both Player Active
Select the Restore Game option, then press Up, Y, A, Right, Up, Y, B,
Down, Right, Down as a password. When the game starts, both players
can capture flags simultaneously.
Credit Heads
Go to Restore Game and enter the password A, Y, A, Right, Down, Y, Up,
Right, Right, A.
Free For All
Go to Restore Game and enter the password Up, Y, A, Right, Up, Y, B,
Down, Right, Down.
Get All Flags
Go to Restore Game and enter the password Down, Y, Right, A, Right,
Up, Right, B, A, Down.