Space Junk by Words Fail is a space action game made for Atari 2600.
In this game, on the left side of the screen are your 3 lives, in the center is your score, on the right is your gas meter. Clear the level without getting shot or letting your gas run out. You score 50 points for each piece of trash collected. After every 8th level, there is a boss who may come back stronger each time. After killing a boss, the levels get a little harder. The other enemies will come out, stuff will get faster, etc.