Invasion From Outer Space

Invasion From Outer Space is a 1980 video game designed by Chris Freund for The Software Exchange for the TRS-80 16K Level II microcomputer.
Plot summary.
"Invasion From Outer Space" is a game in which the player destroys as many alien ships as possible before losing all available bases.
Reception.
Joseph T. Suchar reviewed "Invasion From Outer Space" (as "Alien Invaders") in "The Space Gamer" No. 30. Suchar commented that "This game involves no real strategy, but will provide a great deal of excitement and frustration, depending upon your temperament. If you are an arcade game fan, I highly recommend this game."