Badge tips, for slow machines. After you're in the trillions, put all money into the tigers. Click and hold to dump. Then close the game for a while, and come back to repeat.
The AFK gains is lots faster than my computer.
-Rinse and repeat.
***Ending spoilers!***
Ending #1: You catch the man and take his body, waking up.
Ending #2: You let the man go and stay forever in the deepest sleep.
******
 "Idle Zoo"){kind=icon}
 "Unpuzzle"){kind=icon}
 "Holyday City Reloaded"){kind=icon}
 "The Deepest Sleep"){kind=icon}
 "Penguin Overlords"){kind=icon}
 "Fisher-Diver"){kind=icon}
 "Little Wheel"){kind=icon}