The Steam version of Pizzeria Simulator does not have any obtainable achievements.
However, these achievements are official and are included in the console ports of the game.
That being said, feel completely free to try and get all of these achievements just for funsies!
This guide also contains some SPOILERS for the game, you have been warned!

“Failed to meet your special obligations under paragraph 4.”
Get the Bad Ending.
To get the Bad Ending, beat the game throwing away at least 1 animatronic.

“Walked a fine line between pride and disappointment.”
Get the Certificate of Mediocrity.
To get the Certificate of Mediocrity, beat the game with 0 Faz-Rating by not placing anything on your pizzeria.

“Got sued into bankruptcy.”
Get the Certificate of Bankruptcy.
To get the Certificate of Bankruptcy, place items with risk to get sued and fight or settle the lawsuit to run out of money.

“Saw something you weren't supposed to see.”
Get the Certificate of Insanity.
To get the Certificate of Insanity, buy Egg Baby, then in your office hold the blue button on the terminal and turn the terminal off and on while holding the button.

“Was borderline criminally negligent.”
Get the You Have Been Blacklisted Certificate.
To get the You Have Been Blacklisted Certificate, beat the game having 50 risk or more when you finish Saturday.

“Trapped them all.”
Get the Certificate of Completion.
To get the Certificate of Completion, beat the game with the 4 animatronics in your office when you finish Saturday.

“Found the secrets in the minigames.”
Get the You Are The Lorekeeper Certificate.
To get the You Are The Lorekeeper Certificate, find the secrets in these minigames.

Fruity Maze - Beat it 2 times then play it a third time.
Midnight Motorist - Enter the gap in the bottom wall of lap 4.
Security Puppet - Play it 4 times.

“Obtained all four item sets.”
Get the 4 badges.
To get the 4 badges, have these characters placed in your pizzeria at the same time.

Trash and the Gang - Bucket Bob, Mr. Can-Do, Mr. Hugs, No. 1 Crate, and Pan Stan.
Mediocre Melodies - Happy Frog, Mr. Hippo, Nedd Bear, Pigpatch, and Orville Elephant.
Rockstars Assemble - Rockstar Freddy, Bonnie, Chica, Foxy, and Lefty.
Posh Pizzeria - Music Man, El Chip, and Funtime Chica.

“Won all minigames.”
Beat every play-test minigame.


Balloon Barrel - Grab a balloon.
Discount Ball Pit - Land inside the ball pit at least once.
Duck Pond - Select 3 ducks.
Fruity Maze - Collect all fruits.
Midnight Motorist - Get to the end.
Candy Cadet - Get a piece of candy.
Ballpit Tower - Get money or Music Man.
Ladder Tower - Make it to the other side.
Carnival Hoops - Get the jackpot.
Riding Rockets - Beat it without dying.
Lemonade Clown - Scare at least 1 child.
Fruit Punch Clown - Scare at least 1 child.
Balloon Cart - Grab a balloon.
Deluxe Ball Pit - Land inside the ball pit at least once.
Gravity Vortex - Beat it without dying.
Prize King - Get money or Funtime Chica.
Security Puppet - Play it 4 times.

“Caught dead.”
Get jumpscared.