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