In Cosmos, you use your starship to defend nine cargo vessels from
alien ships, warp mines and asteroids. To help you you have two lasers
and an on-board computer which gives you various status reports.
Your objective, as you patrol nine possible sectors of space, is to
shoot the aliens and asteroids as you scroll them into your laser gunsight,
located in the middle of your window on space. Your stock of cargo ships
diminishes as they get hit by either aliens or asteroids.
Instead of fumbling for single keys, the whole keyboard is divided into
sectors, and any one of five keys in the given sector will work.
This program is well written and has good graphics. The only thing lacking
is sound. The struggle to save the universe carries on without a single
whisper.