Good Pizza, Great Pizza

1. 
   Bark Bark!Secret

   Steam withholds the description of a secret achievement.
   39%
2. 
   Lazy DaySecret

   Steam withholds the description of a secret achievement.
   4.7%
3. 
   Student of SauceSecret

   Steam withholds the description of a secret achievement.
   15%
4. 
   The SaucemakerSecret

   Steam withholds the description of a secret achievement.
   11%
5. 
   Two Sides BalancedSecret

   Steam withholds the description of a secret achievement.
   14%
6. 
   Songs Sung and Pies Flung

   Have 5 stars on Pie Chart.
   30%
7. 
   Pizza PoetSecret

   Steam withholds the description of a secret achievement.
   10%
8. 
   Delivery Master

   Deliver 25 good pizzas.
   11%
9. 
   Social Network StarSecret

   Steam withholds the description of a secret achievement.
   9.9%
10. 
    Travel Buddy

    Befriend the traveler.
    8.6%
11. 
    Respect

    Serve the fireman.
    31%
12. 
    Perfect Day

    Have no refunds for 20 days.
    20%
13. 
    Happy Customers

    Keep all customers happy for 10 days.
    26%
14. 
    What?

    Ask "What?" 5 times.
    32%
15. 
    Meow Meow Meow

    Activate 1 cat decorations.
    12%
16. 
    Do it myselfSecret

    Steam withholds the description of a secret achievement.
    0.9%
17. 
    Don't You Guys Have TV?

    Activate TV.
    4.0%
18. 
    Designer

    Purchase 20 decor items.
    8.2%
19. 
    Delivery Fail

    Deliver 1 bad pizzas.
    7.7%
20. 
    Take a Break!

    Play for 5 hours.
    22%
21. 
    ZA Facts

    Watch 5 different PNN ZA Facts segments.
    11%
22. 
    Good Equipment

    Unlock 10 upgrades.
    9.9%
23. 
    Branded

    Rename the store in Pie Chart.
    13%
24. 
    Ovenist

    Serve 500 pizzas.
    9.8%
25. 
    Keep Going!

    Play for 1 hour.
    35%
26. 
    Great Service

    Serve 10 customers in one day.
    15%
27. 
    Done And Dusted I

    Finish Chapter 1.
    23%
28. 
    Done And Dusted II

    Finish Chapter 2.
    9.3%
29. 
    Done And Dusted III

    Finish Chapter 3.
    6.8%
30. 
    Done And Dusted IV

    Finish Chapter 4.
    4.9%
31. 
    Done And Dusted V

    Finish Chapter 5.
    2.6%
32. 
    Toppings for Days

    Unlock 15 toppings.
    7.7%
33. 
    Make it Special

    Make 25 House Specials.
    4.1%
34. 
    Transcendent Za

    Pass Transcendent Za.
    9.7%
35. 
    Who Would've Thought?!

    Identify the secret agent.
    5.7%
36. 
    Elementary, My Dear Ovenist!

    Find all clues.
    2.8%
37. 
    Green Thumb

    Grow 15 plants in the garden.
    11%
38. 
    Expert Puzzle Solver

    Fix the stone tablet.
    2.8%
39. 
    Diary Decoder

    Unlock Octavia's Diary.
    2.9%
40. 
    Pizza Entrepreneur

    Earn 5000 Pizza Funds.
    11%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 40 of them.