atari 2600 small rom pack - atari2600.zip 

includes:

rainbow invaders- space invaders clone with cool powerups

cave 1k - simple game where you avoid obstacles kind of like sfcave

man goes down - collect fruit while falling down platforms. well animated

splatform2600 - really fun game bounce from platform to platform try to get high score

lead - shoot everything don't let any enemies get past you.  avoid asteroids in other levels

bit - press up and button to make a ladder and left or right and button to make a bridge. try to climb while avoiding snowballs