Software Inc.

1. 
   Let's go deeperSecret

   Steam withholds the description of a secret achievement.
   0.2%
2. 
   This is fine

   Have somebody perish in a fire
   0.4%
3. 
   Need more time

   Play for 10 years with 8 days per month
   1.4%
4. 
   A lifetime

   Play for 80 years
   0.5%
5. 
   Frames per season

   Have over 500 employees
   1.6%
6. 
   Bad company

   Have 10 employees sue you in a class action
   0.2%
7. 
   That's pretty spiffing

   Cancel a project after receiving publisher funding and successfully win the lawsuit
   0.4%
8. 
   Oh yeah!

   Have a police drone break through walls to confiscate precious metals
   0.4%
9. 
   PvPayout

   Buy out another player's company
   0.1%
10. 
    Co-optimized

    Release a product with approximately equal revenue share with other players
    0.2%
11. 
    Number goes up

    Release 10 sequels for the same IP
    2.3%
12. 
    Yoink!

    Take over 5 companies in one year
    0.5%
13. 
    CTRL-C CTRL-$Secret

    Steam withholds the description of a secret achievement.
    0.5%
14. 
    The GOAT

    Win a platinum award by winning 5 years in a row
    7.6%
15. 
    Feature creep

    Interact with all features of the game
    0.4%

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 15 of them.