Here is the full list of all 15 DOGOS achievements.
Complete Training Level
Shoot 100000 bullets
Kill 10 elites
Kill 50 eggs
Complete volcano
Kill 200 air units
Kill 25 boats
Eliminate the Annihulator
Kill 100 ground units
Get all badges
Complete zeetnuk mothership 1 without losing lifes
Complete the overtrain mission with loosing a life
Eliminate the Goliath
Finish the game in the highest difficulty setting
Destroy 20 structures