First Victory
Complete the first level.
Skeet Shooting
Defeat 1000 aliens.
Unstoppable Victory
Complete any level on unstoppable difficulty.
The Researcher
Get 8 upgrade tokens.
Looks & Brains
Meet Sereia.
Radiant, Sir!
Meet the Radiant Beem.
Space Age Hero
Get all the performance medals in one level in a single try.
One Satellite Man
Complete a level using only one satellite type.
Mothership Smasher
Defeat a mothership.
Spare No Expense
Spend more than $15,000 in one level.
Mind the Black Hole
Deploy the Black Hole for the first time.
No More Gorg
Complete the last level.
Gorg Buff
Check the credits
Bring Them!
Reach wave 3 in Arcade mode
Arcadeologist
Reach wave 25 in Arcade mode
Master of the Universe
Reach wave 50 in Arcade mode
Elite Defender
Achieve a total score of 10 000 000 or more
Battle Hardened
Complete all story chapters on Hard difficulty
Battle Hardened Hero
Get hero medals from all story chapters on Hard difficulty
Unstoppable
Complete all story chapters on Unstoppable difficulty
Unstoppable Hero
Get hero medals from all story chapters on Unstoppable difficulty
A Bit of a Challenge
Complete all challenge chapters
Hard Measures
Complete all challenge chapters on Hard difficulty
More Merciless than Ming
Complete all challenge chapters on Unstoppable difficulty
Stardust
Shoot 10 asteroids
Soon to be Hero
Achieve hero medals from 5 different story chapters
Little Extra
Finish a level on normal difficulty with 3 x the amount of money needed for the investor medal
Too Easy!
Achieve hero medal in story chapter 3 on normal difficulty or harder without building a single Blast Cannon
All on Offense
Completed story chapter 8 on normal difficulty or harder without building a repair station
Beamer
Kill 50 enemies with beam link rays