Here is the full list of all 21 Rock of Ages 3: Make & Break achievements.
Earn the Knight's medal by climbing up in the ranking system.
Earn the Squire's medal by climbing up in the ranking system.
Get a gold medal in all time trial levels.
Get a silver medal in all time trial levels.
Beat Poseidon in a race.
Defeat Moby Dick
Get a bronze medal in all time trial levels.
Defeat the Vitruvian Man.
Land in the highest scoring hole in the Skee-Boulder ramp.
Win an online match of Obstacle Race.
Rescue the Dragon.
Rate a map from the Community levels.
Win an online match of War.
Win a match of Boulder Avalanche or War without letting the enemy touch your door.
Destroy the enemy boulder using the thundercloud.
Follow all of Napoleon’s directions in the level editor tutorial.
Complete all the Humpty Dumpty challenges.
Collect all the stars from the story campaign.
Earn the Lord's medal by climbing up in the ranking system.
Earn the King's medal by climbing up in the ranking system.
Earn the High King's medal by climbing up in the ranking system.