Type these from the main menu:
ctrl+V-Displays a slide show of all the episodes
ctrl+T-Brings up a sound testing dialogue
Use these during gameplay:
ctrl+B-Displays the mystery spot
ctrl+L-Warps to the next level,but lose a life
shift+ctrl+L-Warps back a level
Type in the words TOYS first, then use these:
ctrl+F-Warp to the final battle for the episode
alt+H-Delivers 1 maximum hit during the final battle
ctrl+F5-Player 1 gets a credit
ctrl+F8-Player 2 gets a credit