Clear Wave 1

Clear Wave 5

Clear Wave A (Wave 10)

Clear Wave K (Wave 20)

Clear ten waves without dying

Prevent capture of any residents during one wave

Prevent capture of all residents on Wave 8 or higher

Prevent capture of all residents three waves in a row

Get an extra ship

Shoot five enemy bullets out of the sky in one game

Clear five waves in a row without missing a shot

Prevent the death of any residents on six waves in a row

Rescue a resident out of the arms of an enemy lander

Destroy 4 or more enemies at once with a bomb

Clear a wave in less than 20 seconds without bombs or death

Rescue 8 residents during one wave

Rescue 8 residents during one wave on Wave 4 or higher

Rescue 50 residents in one game

Destroy 25 baiters (UFOs) in one game

Rescue 12 residents out of the arms of enemy landers

Destroy 8 or more enemies at once with a bomb

Shoot 80 enemy bullets out of the sky in one game

Clear one wave without missing a shot

Clear a wave in less than 30 seconds without bombs or death

Clear five waves without dying