Gives your current location coordinates. Also tells you what percent of the secrets you've found in a given level. If you walk up to a wall with a ledge above it, you will move up to that ledge. Same as the powerup. Freezes all enemies.
Type code a second time to see enemies die.
Skips to the next level, marking the current level as complete. Full invincibility, unlimited ammo, and unlimited weapon supercharge. Press Q to skip the level. During select player, Type in a number 1-8 to select a level to begin on. Follow the code with desired level 1-41.