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