Easy Astronomer Achievement for Rock of Ages 3: Make & Break

Easy Astronomer Achievement

In order to earn the Astronomer Achievement you must collect all the stars from the story campaign. In total there are 133 stars and to collect them all you need to complete every level with all the stars. Begin by earning as many stars as possible so you are able to unlock more rocks and the various weapons on the story world map. The easiest way to then get the Astronomer Achievement is to use rocks and weapons unlocked from higher levels in the lower levels to achieve the full star ratings for them.