[Ended]Humble Puzzle for ninjas

Ended

http://www.humblebundle.com/gift?key=xXx33xxXxxxx

1. Terry Pra_chett
2. Most watched song on youtube's first letter (not the "singer"'s name, the "song"'s name)
3. 01100010
4. 3
5. 3
6. There is a hidden letter in this image
7. xo_oxo
8. The first letter of the word you use to reply positively
9. It's a big question what this letter is
10. That
11. I'm on my waaaaaay, I'm on my way, _ome sweet home, tonniight, toniiiiight
12. First letter of this