Yeah, just looked and there doesn't seem to be any password-type stuff, which is a shame. Updated menus translation:

MAIN MENU
- Start game
- Edit mode
- High scores
- Options

START GAME
- Start/continue
- Save slots
- Puzzle mode
- Tutorials

EDIT MODE
- Level size
- don't know (On/Off)
- Graphics (default, fancy, NES)

- Test level
- Save level
- Load level
- Clear current level
- Exit

OPTIONS MENU
- Speed (normal, fast, slow)
- Graphics (default, fancy, NES)
- don't know (On/Off)
- reset to defaults/clear memory

http://invisionfree.com/forums/worldofstuart/index.php?showtopic=4596