Here is the full list of all 19 Rock of Ages achievements.
Win a match without destroying any of your adversary's units.
Win a match using the Snowball boulder.
Land a projectile on some TNT to produce a shockwave combo that hits your enemy.
Complete the tutorial level and escape from the underworld.
Score a direct hit on an enemy boulder with the Castlepult.
Break off the first layer of your adversary’s boulder.
Win an online War game
Hit the castle gate with the fireball powerup.
In SkeeBoulder, land your Boulder in the maximum multiplier.
Destroy a flying ship.
Earn more than 7000 gold in one match.
Win a match with your gate unscathed.
Find all the keys scattered throughout the levels.
Beat the game in Story mode.
Get a gold medal on all maps in Time Trial mode.
Win 10 online War games.
Break off the second layer of your adversary’s boulder.
Destroy your adversary’s boulder.
Win a War game using the Cube.