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Penumbra Effect

2,694 plays
  • About the game


  • Author: Unknown
  • Category: Shoot'em up
  • Rating: 3.50

This time, we know for sure that aliens are real. They are attacking our planet and we'll have to defend it no matter what. Shoot the right boxes in order to kill the aliens and avoir their bullets to survive as long as possible. Good luck!

Penumbra Effect


Use the arrow keys or WASD to move, the key numbers to shoot, E to interact, and Space to slow time down.

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