Here is the full list of all 30 Unstoppable Gorg achievements.
Achieve a total score of 10 000 000 or more
Reach wave 25 in Arcade mode
Reach wave 3 in Arcade mode
Achieve hero medal in story chapter 3 on normal difficulty or harder without building a single Blast Cannon
Completed story chapter 8 on normal difficulty or harder without building a repair station
Complete the last level.
Finish a level on normal difficulty with 3 x the amount of money needed for the investor medal
Deploy the Black Hole for the first time.
Complete a level using only one satellite type.
Complete any level on unstoppable difficulty.
Meet the Radiant Beem.
Get 8 upgrade tokens.
Defeat a mothership.
Defeat 1000 aliens.
Meet Sereia.
Achieve hero medals from 5 different story chapters
Shoot 10 asteroids
Get all the performance medals in one level in a single try.
Complete the first level.
Spend more than $15,000 in one level.
Check the credits
Reach wave 50 in Arcade mode
Complete all story chapters on Hard difficulty
Get hero medals from all story chapters on Hard difficulty
Complete all story chapters on Unstoppable difficulty
Get hero medals from all story chapters on Unstoppable difficulty
Complete all challenge chapters
Complete all challenge chapters on Hard difficulty
Complete all challenge chapters on Unstoppable difficulty
Kill 50 enemies with beam link rays