Full list of all 12 Crystal Defenders achievements worth 200 gamerscore. It takes around 4-5 hours to unlock all of the achievements on Xbox 360.
Cleared all 12 maps.
Cleared all the maps in W3.
Accumulated a total score of 100,000 points.
Cleared all the maps in W2.
Accumulated a total score of 50,000 points.
Cleared all the maps in W1.
Cleared a map with more than 10,000 points.
Cleared a map without deploying a Thief or losing a single crystal.
Cleared a single map without losing any crystals.
Cleared all the waves on any single map.
Cleared wave 20 on any single map.
Cleared wave 10 on any single map.