Pick up falling barrels that your enemy;s drop. Throw the barrels back at your enemy's , knock them down to score points. You may only pick up 10 barrels at a time.
2 Games I wrote for the Atari 2600. The one on the left if called Shoot Ball: Shoot the falling block around the screen to score points. The one on the right is called Bloks. Just a simple paddle and ball game.