Hamster is famous for "pixel-perfect" recreations. They include options for scanlines, original arcade screen ratios, and dip-switch settings that let you adjust the difficulty just like an arcade operator would.
Are you looking to learn more about the of the original arcade version, or Hamster is famous for "pixel-perfect" recreations
The ACA version includes global leaderboards, a "Caravan Mode" (high-score chase in a limited time), and a "Hi-Score Mode." original arcade screen ratios