if you mean the button for the free achievement then go to the achievement section and click where it says "achievements".
credits - to the left of pingy's head
In the swimming pool
in your face
u open another tab and do something else
You go to through the invisible door and eat the ice cream.
keep rolling your mouse over it. It will probably take a long time to eat it all so just keep going
you get an achievement for getting the penthouse
Go to the Movies, slide the text but dont click any button. Then, click the invisible door, then you'll find mice, but you need permission for the key so... find out the key thing for yourself.
the fastest way i have found to level up is open your date/time settings and keep switching the day and refreshing the game so you can collect your daily bonus. i am currently level 53 with 2.5 million getting bored though because it takes forever to level. also if you idle then idle on the catch a snail screen so you make more profit
Swap the order of the water and tower for the panda ending.
You get to the top of Vinnies career!
in the grand auto machine named Bill