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