This game is a tribute to the "shooter" classic (also known as Shoot 'em up) 80.
14 fast-paced levels of increasing difficulty. Will you be able to annihilate all aliens?
Agradecientos and credits:
A Carlos Alface (firstname.lastname@example.org) by the designs of the invaders.
A Extenz, on the topic 8bit (BSO) https://opengameart.org/content/8bit-thingy
A Viktor.Hahn@web.de by the designs of the planets.
A MillionthVector (http://millionthvector.blogspot.de) for the design of the spacecraft.
A Paco Suarez, for being an inspiration with his "shooter" for Amstrad.