Embedded in a sea of enemy particles, players must avoid collisions as they propel their own particle to the goal. New levels bring new challenges and new forces to contend with. Players have to budget their energy use as they grapple with gravity, electric forces, and the effects of Newton's laws of motion. Hint: Be Patient, don't get click happy. Click on one side of the green particle to create an explosion which propels it in the opposite direction towards the goal. Closer you click the faster it goes. EdGE — On the edge of science and play! The Educational Gaming Environments group (EdGE) at TERC hopes to show that learning happens in all kinds of places by investigating the possibilities—and challenging the assumptions—of game-based learning environments. EdGE is designing and studying games whose mechanics mirror real scientific phenomena, but more importantly, are fun to play. EdGE at TERC Copyright 2013. Work made possible by funding from the National Science Foundation (DRK12 grant #1119144). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect views of the National Science Foundation.