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