Space Invaders

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Across
  1. 2. What the game was played on in homes
  2. 4. A way to see how good you are
  3. 6. The number of lives you get
  4. 8. An unwanted visitor
Down
  1. 1. Direction of player
  2. 3. The type of game
  3. 4. Ailens are invading from
  4. 5. Direction the bombs fall
  5. 7. Earth's last best hope