Make a game - "There's nothing to click!". Make new game - "I have to click too much!!" :P --- Updated the game in response to feedback. Auto racing is 4 times faster and you earn an additional bonus 5 PP per click.
I found the code causing all of the problems with lag at high shovel and worker power. I'm working on re-writing that bit of code and hope to have an update soon! Thank you to all reporting the problems - please consider re-rating the game if you feel we are making improvements (it's been a work in progress, unfortunately. Lesson learned for the next game - beta test 10x more than you think necessary!)
 "Idle Racer 2: Something to Click"){kind=icon}
 "Idle Racer"){kind=icon}
 "Swords and Potions 2 Helper"){kind=icon}
 "Clicker to the Center of the Earth"){kind=icon}
 "Idling Idle"){kind=icon}
Fixed!