Insect Killer - Version 3.8 Insect Killer. Your home is overrun by insects. They are harmful, or not, but who cares? Armed with the morning paper and a spray bottle, you have to kill as many insects as possible. After scoring a certain number of points, there are bonus insects, extra time or reduced aerosol supplies. Some insects such as a caterpillar and a butterfly are not worth killing. Once the timer has reached "0," you are prompted to enter your name to register in the global online database of records. Rack up the most points and become the best assassin in the world of insects!Insect Killer. Your home is overrun by insects. They are harmful, or not, but who cares? Armed with the morning paper and a spray bottle, you have to kill as many insects as possible. After scoring a certain number of points, there are bonus insects, extra time or reduced aerosol supplies. Some insects such as a caterpillar and a butterfly are not worth killing. Once the timer has reached "0," you are prompted to enter your name to register in the global online database of records. Rack up the most points and