Level Editor:

To temporarily edit a level, enter one of the following codes at the 
Player Name screen. This is the same editor used by the development 
team, but the save feature has been disabled.


1. YTMHNPA - Training mission 
2. YTMHNPB 
3. YTMHNPC 
4. YTMHNPD 
5. YTMHNPE 
6. YTMHNPF 
7. YTMHNPG 
8. YTMHNPH - Bonus level 


The editor options screen has the following choices:

- Save file (this option is disabled) 
- Paste (allows objects to be pasted) 
- Delete (allows objects to be cut) 
- Copy (allows objects to be copied) 
- Stack (allows objects to be stacked on one another) 
- Texture (allows an object's texture map to be changed) 
- Paste Node (allows a game "screen" to be pasted) 
- Copy Node (allows a game "screen" to be copied) 
- Edit Node Y (default value) 
- Quit (restarts the game) 

While in an editor option, B cycles through actions, C executes the 
current selection, X allows the current level to be played, and P 
displays the editor option screen.