8bit Alien Invaders

Destroy all aliens so the spaceships do not get to Earth. But do not let the aliens meet you.
For each shot alien you get 10 points. Any alien that comes to the earth will reduce your shield.
When you are hit, you lose a life.

Zerstöre alle Aliens damit die Raumschiffe nicht zu Erde durchkommen. Aber lasse dich nicht von den Aliens treffen.
Für jeden abgeschossenen Alien bekommst du 10 Punkte. Jeder Alien, der zur Erde durchkommt, verringert deinen Schutzschild.
Wenn du getroffen wirst, verlierst du ein Leben. Destroy all aliens so the spaceships do not get to Earth. But do not let the aliens meet you.
For each shot alien you get 10 points. Any alien did comes to the earth will reduce your shield.
When you are hit, you lose a life.

Destroy all aliens so that the spaceships can not get through to Earth. But you'll not hit by the aliens.
For each downed alien you get 10 points. Any alien who comes to Earth through, reduces your shield.
If you are hit, you lose a life.