30 Achievements
Arcadeologist Reach wave 25 in Arcade mode
2 achievers
Bring Them! Reach wave 3 in Arcade mode
3 achievers
First Victory Complete the first level.
8 achievers
Gorg Buff Check the credits
5 achievers
Little Extra Finish a level on normal difficulty with 3 x the amount of money needed for the investor medal
1 achiever
Looks & Brains Meet Azora.
2 achievers
Mothership Smasher Defeat a mothership.
3 achievers
One Satellite Man Complete a level using only one satellite type.
2 achievers
Radiant, Sir! Meet the Radiant Beem.
1 achiever
Skeet Shooting Defeat 1000 aliens.
3 achievers
Space Age Hero Get all the performance medals in one level in a single try.
8 achievers
Stardust Shoot 10 asteroids
3 achievers
The Researcher Get 8 upgrade tokens.
1 achiever
Unstoppable Victory Complete any level on unstoppable difficulty.
2 achievers
16 Achievements Remaining To Be Unlocked
A Bit of a Challenge Complete all challenge chapters
All on Offense Completed story chapter 8 on normal difficulty or harder without building a repair station
Battle Hardened Complete all story chapters on Hard difficulty
Battle Hardened Hero Get hero medals from all story chapters on Hard difficulty
Beamer Kill 50 enemies with beam link rays
Elite Defender Achieve a total score of 10 000 000 or more
Hard Measures Complete all challenge chapters on Hard difficulty
Master of the Universe Reach wave 50 in Arcade mode
Mind the Black Hole Deploy the Black Hole for the first time.
More Merciless than Ming Complete all challenge chapters on Unstoppable difficulty
No More Gorg Complete the last level.
Soon to be Hero Achieve hero medals from 5 different story chapters
Spare No Expense Spend more than $25,000 in one level.
Too Easy! Achieve hero medal in story chapter 3 on normal difficulty or harder without building a single Blast Cannon
Unstoppable Complete all story chapters on Unstoppable difficulty
Unstoppable Hero Get hero medals from all story chapters on Unstoppable difficulty
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