Centipede

Centipede is a 1981 fixed shooter arcade game by Atari.In 1982, it would be followed by a sequel, Millipede.

Gameplay
The player controls a small insect like sprite called The Bug Blaster.You use a trackball to move,and you must fire at a large centipede going through a field of mushrooms.You destroy the centipede by shooting each segment of it.Other enemies including spiders and scorpions will occasionally appear. You gain an extra life for every 12,000 points you score.