Click on the little panels at the bottom of the screen to get the main menu. W & mouse pointer to move and Space to shoot. The little green switch toggles missiles. Only drones work as no other enemy types were implemented.
This is the long-lost version 1.0 of Star Command that never got released. This is not my project but I did get the file given to my by the original developer. I just decided to upload it now since it's never going to get finished by me. (This game is the inspiration of Stellar Sortie.)