Really wasn't expecting to see a light-hearted sniper game where nobody gets shot. O_o
It worked for me though. The later levels were challenging, and I enjoyed the humor at how casual Johnny is about everything. Also liked his reactions when you'd screw up and he'd get offended that you must've heard the story wrong. Only minor gripe is it seemed a bit short.
9th mission was hardest for me. Tip for anyone reading comments to see how to beat it, I would shoot the right end of the gondola to get it moving. When it swings back, shoot it again to build momentum. After 4 good shots, I shot the TOP RIGHT marker holding the gondola, once it started swinging back to the right. There may be another method, but that's what worked for me.
Good game. Hope to see another.