I kicked ass.
Killed all zombies on Stage 2.
(100 - 2 zombies total not hit + 25 bonus points)
2 left alive on the first target:
2 not killed on stage 1 = face 4 on stage 2.
This last stage I shot (stage 2) is actually the only target I had
to post to get the +10 bonus points:
My tool (+5 bonus points for picture):
Self-portrait in MS Paint (+10 bonus points):