click is misleading please either change back to space or make it more obvious that the key must be held down (hold and click are two different mouse events i'm sure you must know that..)
don't forget to try for ricochet shots on wood targets to get two hits to break it in one shot for those easy 3+'s I never used a single hint you don't need one, it's easy just have to get your hits justtttt righttt... 40 levels * 3 = 120 so you need 10 3+'s for the badge
couldn't bare to infect my city Winnipeg till last :( but at least it was in the game, shocked toronto isn't since it has like practically 1/3 Canada's population. also alaska isn't in canada lol but eh still a fun game