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