Run, Click, Idle, Prestige to achieve the speed of light! The main currency is the Experience, which you gain as you run. You can buy upgrades with it to run faster and longer. Also don’t forget to keep and eye on the environment to click the chests and get the additional reward!
Kongregate free online game Light Speed Runner - Run, Click, Idle, Prestige to achieve the speed of light!. Play Light Speed Runner