Unlock Ugopotamia
Platform: GameBoy Advance
Enter GJ?4L6 at the password screen.
Extra lives
Platform: GameBoy Advance
Enter XGT8QL as a password. When you get to the part of carrying
bananas to two monkeys, distract the second one, bust open the
crate behind him by holding B, and run into it. There should be a
horseshoe in the same location as the crate. Walk over it to get an
extra life. You can do this as many times as desired.