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