Empty the Petri Dish

Trijam 153: Theme - "Empty World" Use a Magnifying glass to get rid of the organisms in the petri dish as fast as you can! Clear the petri dish as fast as you can. Upgrades appear every 5 seconds. Red upgrades increase the size of your burn, and green increases the speed of your movement. Empty a "world" by destroying everything in it. I wanted to simulate a little world, so I made a petri dish of little squares that move around randomly. Afterward, I thought, "How should I destroy these things?...