Achievements:
10 SAUCERS - Destroyed 10 saucers
100 SAUCERS - Destroyed 100 saucers
25 SAUCERS - Destroyed 25 saucers
50 SAUCERS - Destroyed 50 saucers
A SPY IN OUR MIDST - 100 aliens escape capture
ANAL PROBE - Captured 100 live aliens
AREA 51 - Captured 50 live aliens
BEGINNING TO LOOK DELIBERATE - Killed 50 parachuting aliens
BUTTERFINGERS - 25 aliens escape capture
CARELESS - 10 aliens escape capture
DEADEYE DICK - Got 100 skill shots
EARTH - Completed the Earth Levels
GADGET FREAK - Added all addons to ship
HE FELL DOWN THE STAIRS - Killed 25 parachuting aliens
MARKSMAN - Got 50 skill shots
MARS - Completed the Mars levels
MOON - Completed the Moon levels
MULTIPLIER - Got the x9 multiplier
PERFECT! Level 14 - Perfect Challenge Level 14
PERFECT! Level 21 - Perfect Challenge Level 21
PERFECT! Level 28 - Perfect Challenge Level 28
PERFECT! Level 35 - Perfect Challenge Level 35
PERFECT! Level 42 - Perfect Challenge Level 42
PERFECT! Level 49 - Perfect Challenge Level 49
PERFECT! Level 56 - Perfect Challenge Level 56
PERFECT! Level 63 - Perfect Challenge Level 63
PERFECT! Level 7 - Perfect Challenge Level 7
PERFECT! Level 70 - Perfect Challenge Level 70
PERFECT! Level 77 - Perfect Challenge Level 77
PERFECT! Level 84 - Perfect Challenge Level 84
PERFECT! Level 91 - Perfect Challenge Level 91
PERFECT! Level 98 - Perfect Challenge Level 98
POKE AND PROD - Captured 10 live aliens
QUICK DRAW MCGRAW - Got 25 skill shots
REWIRED IT - Upgraded addons to maximum rate
SATURN - Completed the Saturn levels
SHARP SHOOTER - Got 10 skill shots
SIZE OF MY CANNON - Maxed gun power
SUSPICIOUS BEHAVIOUR - 50 aliens escape capture
TITAN - Completed the Titan levels
TRIGGER HAPPY - Maxed gun bullets
ULTIMATE SHIP - Everything maxed out
ULTIMATE WEAPON - Guns and addons maxed
UNETHICAL EXPERIMENTS - Captured 25 live aliens
VOLATILE TEMPERAMENT - Used 25 smartbombs
WAR CRIMES - Killed 100 parachuting aliens
WHOOPS! - Killed 10 parachuting aliens