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