Complete the indicated task to unlock the achievement.

Achievement	How to unlock
1000	Make 1000 in a single level.
2500	Make 2500 in a single level.
5000	Make 5000 in a single level.
Boathouse on Fire	Complete the boathouse on hell.
Cash	Make 500 in a single level.
Customer Retention	You served the robots well.
Day at the Promenade	Complete the promenade.
Did it!	Serve your first table.
Diner	Complete the diner level.
Drunk, Buddy?	Crash into all drunk at the beer hall.
Easy Going	Walk 2000 meters.
Energized	Drink this energy drink.
First Combo	Do your first combo.
Five Thousand Happy Faces	Over 5000 happy customers left the restaurant.
Heavy Usage	Open and close the kitchen doors 450 times.
Heavy Walker	Walk a distance of 10 kilometers.
Hell at the Television Tower	Complete the television tower on hell mode.
Hell's Kitchen	Complete the diner level on hell mode.
It's 50 Happy Faces	Make 50 customers happy.
King of Mad Restaurant	Complete all levels on hell mode.
La Hell	Complete the the Italian restaurant on hell.
La Ristorante	Complete the Italian restaurant.
Mad Restaurant People	250 mad customers left the restaurant.
Passed 500 Happy Faces	Over 500 happy customers left the restaurant.
Prome-hard	Complete the promenade level on hell difficulty.
Rooftop	Complete the rooftop restaurant.
Rooftop of Hell	Complete the rooftop with hell difficulity.
Survivor of Happiness	Complete the amusement park level.
Sushi Garden	Complete sushi garden.
Sushi Harden	Complete sushi garden level on hell mode.
Television Tower	Complete the television tower.
That One Robot	Unknown.
That's a Row	A combo of seven.
The Beer Hall	Complete the beer hall.
The Beer Hell	Complete the beer hall hell.
The Big 50 s	Complete the 50 s restaurant.
The Boathouse	Complete the boathouse.
The Hellish Big 50s	Complete the 50 s restaurant while playing hell mode.
True Fan!	Unknown.
Waiter of the Month	Complete all levels on normal mode.
Walk it off	Walk a distance of 25 kilometers.
Walkative	Walk a distance of 5 kilometers.
X13	Serve 13 tables in a row.
Zip Zap	Drink a different energy drink while the first is still active.