The PAYDAY Add-on for Goat Simulator has 18 achievements.
Find all the trophies on the Payday Level.
Enable the hydraulic cars.
Hogtie 50 NPCs.
Place a Hogtied NPC on the train tracks.
Show off your vehicle air control skills in the desert.
Listen to the whole pan flute song.
Spray the dancers using Humphrey Ciabatta.
Use Dolph Spaghetti to lift a crewmember on top of the tallest building.
Use a cannon to travel to the Island in the Sky.
Throw 5 police officers into prison.
Gather the crew for some drive-in movies.
A Trip to the Moon.
Just finish that one LAST job.
Lick all crew members together to form a Goatipede.
Win 3 hands at a Blackjack table.
Wear 30 masks at once.
Headbutt someone out of their car, then run them over!
Charm a cow using Valentino Salami.