Level select: Type level followed by a level number at the
title screen, then press Fire.
Level select (alternate): Enter POOKY as a name at the high score screen.
Then hold a key from 1 to 5 and click on "End".
Start a new game while holding that key to begin at the corresponding
level.
Mini-game: Type chrome at the title screen.
Invincibility during mini-game: Type helo to gordon and davee at the Chrome
mini-game title screen.
