
Appunwrapper writes: “The pitch for Sean Kearney’s game, Zero/Sum, is that it’s a math puzzle game combined with the cheesy storyline of an 80’s B-movie, complete with live acting.”

Appunwrapper writes: “This is a complete step-by-step walkthrough guide with hints, tips, tricks, answers and solutions for the iOS and Android puzzle game, Zero/Sum, by Sean Kearney.”
Zero/Sum's creator Sean Kearney will be donating 50% of the proceeds to charity - with the money to be split between The American Cancer Society and The COPD Foundation.
Hardcore Gamer: Players will re-discover the cure for cancer by solving number puzzles where the goal is to get equations equaling zero in the end. Then there’s the fact that the developer is promising to donate half the proceeds of Zero Sum’s sales to the American Cancer Society.