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