LOL.. I played the SP but of each game and still own them; but with out going back to each area you question about can not answer all of them.
2.Used it but cant remember the name too long since last played that game.
5. Do not use shotguns enough to know this one either.
6. Dome- both loved and hated that map in WaW.
7. Forgot allready.
8. Pistol of some sort, not sure of the model didnt care, just killed the arsewhole with it.
9. Never payed attention he lost a finger. Skiped many of the cutscenes when I could.
10. A+B+C+D=E The who what? Again skiped cutscenes when I could.