Here is the full list of all 19 Rock of Ages achievements.
Beat the game in Story mode.
Get a gold medal on all maps in Time Trial mode.
Find all the keys scattered throughout the levels.
Win 10 online War games.
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.
Win a match with your gate unscathed.
Earn more than 7000 gold in one match.
Hit the castle gate with the fireball powerup.
Win a match using the Snowball boulder.
Destroy your adversary’s boulder.
Score a direct hit on an enemy boulder with the Castlepult.
Destroy a flying ship.
Win a War game using the Cube.
Win an online War game
Break off the second layer of your adversary’s boulder.
Break off the first layer of your adversary’s boulder.
In SkeeBoulder, land your Boulder in the maximum multiplier.
Complete the tutorial level and escape from the underworld.