Here is the full list of all 13 DRazor achievements.
Completed the first level (Play Mode A)
Hit multiple orbs in a short period of time
Hit at least 12 orbs in a short period of time
Hit an orb near the central planet to win 1.000.000 points
Completed 10 levels in total (not in a row)
Completed 40 levels in total (not in a row)
Dropped 100 bombs to destroy orbs
Completed a level on the harder Play Mode B
Completed a level on the hardest Play Mode C
Complete a level on the top speed
Hit 100 Air Strikes
Complete 40 levels in continuous mode
Complete any level without getting hit a single time