Get all remotes:
Goto the password screen, hold B and press Down 20 times, hold B and press Up,
hold A and press Right, hold A and press Left, Left, hold B and press Down, Down,
hold B and press Right, hold A and press Right.
256 lives:
At the password screen, hold B and press Right 28 times.
The Genie has more
GEX: Enter The Gecko Cheats at CheatingDome.com.