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