Here is the full list of all 31 GOAT OF DUTY achievements.
Win 340 matches in any mode.
Win 100 Team Deathmatches.
Win 50 Free For All matches.
Kill 500 opponents with Headshots.
Win 50 FusRoArena matches.
Win 50 Gun matches.
Send flying 50 opponents with the FusRoBeh.
Kill 25 opponents with the Zero-G Saws. (Alternative fire)
Goats bodies are not made for flight. But they dont' know that, so they try it anyway.
Actually, your opponents will complete this achievement for you.
Push 50 opponents off a ledge.
Yes, we developers make achievements for you, bug-seeking goats.
Hit an opponent 5 times with Ram or FusRoBeh without making it touch the ground.
"Don't move! He can't see us if we don't move."
Kill 250 opponents with Explosions.
Snipe 50 opponents with the LightGun.
Bleat 100 times. (In this game)
Kill 25 opponents in a row without dying.
Ram an opponent and kill him midair.
Don't expect they will explode for real.
Detonate 50 opponents with the Grenade Launcher.
Cook 50 opponents with the Roaster.
Impale 50 opponents with the Impaler.
Kill 10 opponents in a row without dying.
Kill 50 opponents with Headshots.
Explode 50 opponents with the Missile Launcher.
Slice 50 opponents with the Ripper.
Ram 25 opponents to death.
Kill 101 opponents.
Also goats have their special place.
Nail 50 opponents with the Piercer.