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