1. The dragon enemy thingies look like eachother.. I faintly remember one of the text files saying they were related, though that might be with another enemy.

2. They disable it, I think... there were very few jj1 levels with warps.

3. I think it was three and one bonus level.

4. Blaster, bouncer, toaster, RF missile, TNT.

5. Beats me.

6. No clue.

7. Well, theoraticaly all of them can be enemy-less. I wouldn't know how many actualy are.

8. I wouldn't know.

9. Err... Ski turtle, day; evil hand thingy, night; snow monkey, evening.

10. Battery Check? Only thing that comes to mind.