There's a bug when playing a second time after finishing the game. Every time you fail the game resets your tries but you can still buy upgrades with the seconds you saved. Basically when you finish the game for the second time it says that you have completed it in only 1 try, which is not.
 "They Took Our Candy"){kind=icon}
 "Every 60 seconds"){kind=icon}
 "Papa's Pizzeria"){kind=icon}
 "Mechanical Commando 2"){kind=icon}
 "Take Something Literally"){kind=icon}
 "Areas"){kind=icon}