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