Complete Challenge #17: "Waka Waka"
Description: You start off with Strange Attractor Strange Attractor and Anti-Gravity Anti-Gravity. Your goal is to defeat Mom. This Challenge is available by default. Your shots do not travel right away. They stay in place. With the added magnetic property, this can cause enemies to slingshot through your tears to hit you.
Strategy: Try to lay out your tears in lines for enemies to walk through, they'll be pulled into it via Strange Attractor. Make sure to keep moving.