The worst thing about this game is not the energy based system (you have to manage your energy) but the intense cliking is very annoying. To use all your energy you have to click like 540 times. Putting a button with "go to work" and then consume like 10 energy is much better.
 "The Money Makers"){kind=icon}
 "Tangerine Tycoon"){kind=icon}
 "The King of Towers"){kind=icon}
 "Idle Blacksmith"){kind=icon}
 "Spewer"){kind=icon}