Play as Poison:
Type Poison at the "1) Player 2) Players Q)uit" screen.

Clue mode
Type Akces at the "1) Player 2) Players Q)uit" screen.

Hidden options
Type IKE at the "1) Player 2) Players Q)uit" screen. Sound, access to Poison, and clue mode options will become available.

Enable background colors
Type ifokvision at the "1) Player 2) Players Q)uit" screen.

Exit game
Press [Esc] during game play.

Jump up and left five spaces
Press the special jump button, 2442, and the special jump button again during game play.

Random select
Press [Tab] when selecting a character.