Earn and fire a Vertical Burst

Earn and fire a Horizontal Left

Earn and fire a Horizontal Right

Earn and fire a Diagonal Blast

Earn and fire Swarm Missiles

Earn and fire a Laser Blaster

Earn and fire a Boomerang Shot

Earn and fire an Acidic Cloud

Earn and fire a Sine Wave Missile

Earn and fire a Tank Kamikaze

Earn and fire a Pyramid Blast

Earn and fire a Silo Attack

Earn and fire a Radiant Burst

Gain an Extra Life

Reach 9 Lives

Hit invaders 1000 times in one game

Take out 50 UFOs in one game

Beat Pluto on Normal difficulty (no level select)

Beat Neptune on Normal difficulty (no level select)

Beat Uranus on Normal difficulty (no level select)

Beat Saturn on Normal difficulty (no level select)

Beat Jupiter on Normal difficulty (no level select)

Beat Mars on Normal difficulty (no level select)

Beat Venus on Normal difficulty (no level select)

Beat Earth and finish the game on Normal difficulty (no level select)

Beat Pluto on Expert difficulty (no level select)

Beat Neptune on Expert difficulty (no level select)

Beat Uranus on Expert difficulty (no level select)

Beat Saturn on Expert difficulty (no level select)

Beat Jupiter on Expert difficulty (no level select)

Beat Mars on Expert difficulty (no level select)

Beat Venus on Expert difficulty (no level select)

Beat Earth on Expert difficulty (no level select)

Beat Mercury on Expert difficulty (no level select)

Beat Alien World on Expert difficulty (no level select)

Beat Pluto on Maniacal difficulty (no level select)

Beat Neptune on Maniacal difficulty (no level select)

Beat Uranus on Maniacal difficulty (no level select)

Beat Saturn on Maniacal difficulty (no level select)

Beat Jupiter on Maniacal difficulty (no level select)

Beat Mars on Maniacal difficulty (no level select)

Beat Venus on Maniacal difficulty (no level select)

Beat Earth on Maniacal difficulty (no level select)

Beat Mercury on Maniacal difficulty (no level select)

Beat Alien World on Maniacal difficulty (no level select)

Beat all of Pluto on any difficulty without dying (level select allowed)

Beat all of Neptune on any difficulty without dying (level select allowed)

Beat all of Uranus on any difficulty without dying (level select allowed)

Beat all of Saturn on any difficulty without dying (level select allowed)

Beat all of Jupiter on any difficulty without dying (level select allowed)

Beat all of Mars on any difficulty without dying (level select allowed)

Beat all of Venus on any difficulty without dying (level select allowed)

Beat all of Earth on any difficulty without dying (level select allowed)

Beat all of Mercury on Expert or higher without dying (level select allowed)

Beat all of Alien World on Expert or higher without dying (level select allowed)

Finish all of a planet by beating the boss with 150% or higher overall accuracy (level select allowed)

Finish all of Alien World on Maniacal Difficulty with 100% or higher overall accuracy (level select allowed)

Score 1000 points in a game on Classic Mode

Score 2000 points in a game on Classic Mode

Score 4000 points in a game on Classic Mode

Score 1000 points in a game on Classic Mode without dying

Score 2000 points in a game on Classic Mode without dying

Score 4000 points in a game on Classic Mode without dying

Complete the first round of Classic Mode without hitting a UFO, missing an invader, or dying