A standard clone of the classic arcade game Space Invaders made by Taito. You have to kill the small aliens before they reach the bottom of the screen. Really simple and straight to the point (no high score, no menu, no key remapping), released initially through mail, then distributed as a freeware.
English 
Comments and reviews
These keys worked for me in DOSbox:
Left: left CTRL
Right: left ALT
Fire: right Shift
the control is
move left: left alt
move right :right ctrl
shoot: right shift
What are the controls for this thing
What are the controls
Made a little text to replace the generated description
This site is great, and I love all these classic games, but it would really improve the quality of the site to hire someone actually from the U.S. who is skilled at writing in American English to redo these descriptions!
Does it work at windows 7: You need to download and dosbox and run the program in dosbox. You can download dosbox here: "http://www.dosbox.com/download.php?main=1". Don't type in the quotes.
I´ve downloaded as instructed but it appears it wont run at windows 7. Pelas help Obi Wan...
The better game ever!!! xD
No comment nor review for this game at the moment.