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