Complete the game
Get all trophies
Blow 'Em To Bits
Destroy 50 ships
Get Off My Space Lawn!
Destroy 100 ships
The Terror Of Mars
Destroy 200 ships
Space Bits
Collect 25 coins
Mars Investor
Collect 50 coins
Space Money Is The Best Money
Collect 100 coins
Watch The Space Fuel
Survive 1 minute
Meteorite Stopper
Get a 25x bonus
Earth Defender
Get a score of 500
Independence Day
Get a score of 800
Queen Of The Space Age
Get a score of 1000