Top 1 Games Similar to Dark Energy

Hundred years in future energy is abigproblem. Somewhere in space live circles full of energy.Fly from circle to circle by tapping the screen and collecttheenergy. The smaller the circle, the more points you get andpointsare also awarded for distance travelled. Keep an eye onyourremaining energy. Circles disappear making it harder the longeryousurvive. It is a never ending game, made harder by increasingspeedand fewer circles.