Fly around and shoot asteroids. Fly off the screen to loop around to the opposite side and crash into a asteroid you did not see.

Knock down blocks with a paddle and a ball.

Fly left and right and shoot aliens.

Get your frogs home by crossing a busy road and a river with alligators.

Ride around on your flying ostrich and defeat the enemy knights riding buzzards. I think the developers had a slight lack of knowledge of how jousting works or the details on the size of birds.

Missile command
Defend your towns against incoming ballistic missiles using anti-missile batterier.

Eat lines and stay away from the ghosts.

Pole Position
Drive around until the engine sound make you strangle yourself with the controller cord.

Space Invaders
The classic aliens wish to eat the world game.