Here is the full list of all 63 GoatPunks achievements.
Shoot goats from the top
Block bombs or goats with a shield
Charge attack goats
Defeat Hipster Punk King
Get to the top 10 times
Max out on ammo
Win without being knocked off the top
Defeat Desert Punk King
Ride lantern 5 times
Win a round a king of the hill
Start Game
Defeat Meadow Punk King
Defeat Steam Punk King
Defeat mini boss
Defeat big boss
Recover 5 times
Find Balloon
Use pick-up weapon
Dismount onto opponent 3 times
Find staff of Ra
Destroy Pinyata
Double kill with charge attack
Find lollipop
Jump on all jellies
Ride on all cranes
Find phone
Find axe
Destroy all treasure chests
30 hits killing spree
Find fan
Hit all players with skill
Race to top in 6 secs from start
Deflect bomb with invincible shield 5 times
Find steam ball
Use shield to knock opponent out 5 times
Shoot 5 opponents in a row
Find flame
Destroy shield with charge attack 3 times
Defeat Icey Punk King
Defeat Ninja Punk King
Defeat Candy Punk King
Defeat Tribal Punk King