Defeat the first UFO Boss (1p main mode)
Make it to then defeat the first UFO boss on your first life. (1p main mode)
Score 1,000,000 points (1p main mode)
Get to a 10X multiplier (1p main mode)
Score 150,000 points (1p main mode)
Score 2,000,000 points (1p main mode)
Successfully collect the first 20 multipliers (1p main mode)
Play one two player main game
Defeat the first UFO Boss in 2P mode with both players still alive
Reach 100,000 points while shooting over 40%.
Reach 100,000 points while shooting over 50%.
Get to a 30X multiplier (1p main mode)
Successfully collect the first 30 multipliers (1p main mode)
Score 50,000 points (1p main mode)
Score 500,000 points (1p main mode)
Collect 75 multipliers (1p main mode)
Bring the UFO Boss' life down using your lasers then defeat it with a bomb. Only one bomb may be used during the battle to get this achievement.
Bomb the shield brigade (1p main mode)
Defeat the second UFO Boss (1p main mode)
Make it to then defeat the yellow pyramids on your first life. (1p main mode)
