The New Zealand Story

Level skip:
Type motherfuckenkiwibastards or fluffykiwis at the title screen to enable cheat mode with unlimited lives. The sound of a laser will confirm each letter, and the sound of an earthquake will confirm correct entry of the entire code. Press [Help] to advance to the next level.

Alternatively, type try cheating at the title screen to enable cheat mode with unlimited lives. The screen border will turn gray to confirm correct code entry. Press [Cursor Left] during game play to advance to the next level.

Extra firepower:
Hold [Shift] and type phillip at the title screen.

Continue game play:
Enter your name as BEG after completing levels the first stage of levels 2 and higher. Start another game to continue at the last level played with full lives.