The Goatz Add-on for Goat Simulator has 14 achievements worth 360 gamerscore.
Craft all items in one game
Clear 25 survival quests in one game
Craft all the weapons in one game
Kill 7 zombies with one minifun
Crystallize and break 30 zombies in one game
Survive 10 days
Beat the whiplash course without getting wet
Eat 50 food items in one game
Hit 5 zombies in one bullet dive
Hit 4 at once with a voodoo bomb
Use the slippery slide to land in the kiddie pool
Paraglide in the air for 1 minute
Play GoatSimSim for 5 minutes
Make the stew taste as good as HUMANLY possible